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VND5050AJTR-E |VND5050AJTREST N/a1427avaiDouble channel high side driver with analog current sense
VND5050AK-E |VND5050AKESTN/a15658avaiDouble channel high side driver with analog current sense for automotive applications
VND5050AKTR-E |VND5050AKTRESTN/a12900avaiDouble channel high side driver with analog current sense for automotive applications


VND5050AK-E ,Double channel high side driver with analog current sense for automotive applicationsBlock diagram . . . . 5Figure 2. Configuration diagram (top view) . . . . . 6Figure 3. ..
VND5050AKTR-E ,Double channel high side driver with analog current sense for automotive applicationsApplicationsCurrent limitation (typ) I 18 ALIMH■ All types of resistive, inductive and capacitive ( ..
VND5050JTR-E ,Double channel high side driver with analog current senseBlock diagram . . . . 5Figure 2. Configuration diagram (top view) . . . . . 6Figure 3. ..
VND5050K-E ,Double channel high side driver with analog current senseAbsolute maximum ratings . . 7Table 5. Thermal data . . . . . 8Table 6. Power section ..
VND5050K-E ,Double channel high side driver with analog current senseFeaturesMax supply voltage V 41 VCCOperating voltage range V 4.5 to 36 VCCMax on-State resistance ( ..
VND5050K-E ,Double channel high side driver with analog current senseApplications■ Main■ All types of resistive, inductive and capacitive – Inrush current active manage ..
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VND5050AJTR-E-VND5050AK-E-VND5050AKTR-E
Double channel high side driver with analog current sense

September 2013 Doc ID 12272 Rev 10 1/37
VND5050AJ-E
VND5050AK-E

Double channel high side driver with analog current sense
for automotive applications
Features

Main Inrush current active management by
power limitation Very low standby current 3.0 V CMOS compatible input Optimized electromagnetic emission Very low electromagnetic susceptibility In compliance with the 2002/95/ec
european directive Diagnostic functions Proportional load current sense High current sense precision for wide range
currents Current sense disable Thermal shutdown indication Very low current sense leakage Protections Undervoltage shutdown Overvoltage clamp Load current limitation Self limiting of fast thermal transients Protection against loss of ground and loss
of VCC Thermal shutdown Reverse battery protection (see Application
schematic on page 21) Electrostatic discharge protection
Applications
All types of resistive, inductive and capacitive
loads Suitable as LED driver
Description

The VND5050AJ-E, VND5050AK-E is a
monolithic device made using STMicroelectronics
VIPower M0-5 technology. It is intended for driving
resistive or inductive loads with one side
connected to ground. Active VCC pin voltage
clamp protects the device against low energy
spikes (see ISO7637 transient compatibility
table).
This device integrates an analog current sense
which delivers a current proportional to the load
current (according to a known ratio) when
CS_DIS is driven low or left open. When CS_DIS
is driven high, the current sense pin is in a high
impedance condition.
Output current limitation protects the device in
overload condition. In case of long overload
duration, the device limits the dissipated power to
safe level up to thermal shutdown intervention.
Thermal shutdown with automatic restart allows
the device to recover normal operation as soon as
fault condition disappears.
Typical value with all loads connected
Table 1. Device summary

Contents VND5050AJ-E / VND5050AK-E

2/37 Doc ID 12272 Rev 10
Contents Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.1 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 21
3.1.1 Solution 1: resistor in the ground line (RGND only) . . . . . . . . . . . . . . . . 21
3.1.2 Solution 2: diode (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . 22
3.2 Load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.3 Microcontroller I/Os protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.4 Maximum demagnetization energy (VCC = 13.5V) . . . . . . . . . . . . . . . . . 23 Package and PCB thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.1 PowerSSO-12™ thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.2 PowerSSO-24™ thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.1 ECOPACK® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.2 PowerSSO-12™ package information . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.3 PowerSSO-24™ package information . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.4 PowerSSO-12™ packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.5 PowerSSO-24™ packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
VND5050AJ-E / VND5050AK-E List of tables
Doc ID 12272 Rev 10 3/37

List of tables

Table 1. Device summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Pin function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 3. Suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 4. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 5. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 6. Power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 7. Switching (VCC= 13V; Tj= 25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 8. Logic input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 9. Protections and diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 10. Current sense (8VTable 11. Truth table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 12. Electrical transient requirements (part 1/3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 13. Electrical transient requirements (part 2/3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 14. Electrical transient requirements (part 3/3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 15. PowerSSO-12™ thermal parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 16. PowerSSO-24™ thermal parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 17. PowerSSO-12™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 18. PowerSSO-24™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 19. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

List of figures VND5050AJ-E / VND5050AK-E

4/37 Doc ID 12272 Rev 10
List of figures

Figure 1. Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Current and voltage conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4. Current sense delay characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 5. Delay response time between rising edge of output current and rising edge of current sense (CS enabled). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6. IOUT/ISENSE vs IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 7. Maximum current sense ratio drift vs load current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 8. Switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 9. Output voltage drop limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 10. Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 11. Off-state output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 12. High level input current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 13. Input clamp voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 14. Input high level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 15. Input low level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 16. Input hysteresis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 17. On-state resistance vs Tcase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 18. On-state resistance vs VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 19. Undervoltage shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 20. ILIMH vs Tcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 21. Turn-on voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 22. Turn-off voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 23. STAT_DIS clamp voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 24. Low level STAT_DIS voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 25. High level STAT_DIS voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 26. Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 27. Maximum turn-off current versus inductance (for each channel) . . . . . . . . . . . . . . . . . . . . 23
Figure 28. PowerSSO-12™ PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 29. Rthj-amb vs PCB copper area in open box free air condition (one channel on). . . . . . . . . 24
Figure 30. PowerSSO-12™ thermal impedance junction ambient single pulse (one channel on). . . . 25
Figure 31. Thermal fitting model of a double channel HSD in PowerSSO-12™ . . . . . . . . . . . . . . . . . 25
Figure 32. PowerSSO-24™ PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 33. Rthj-amb vs PCB copper area in open box free air condition (one channel on). . . . . . . . . 27
Figure 34. PowerSSO-24™ Thermal impedance junction ambient single pulse (one channel on) . . . 28
Figure 35. Thermal fitting model of a double channel HSD in PowerSSO-24™ . . . . . . . . . . . . . . . . . 28
Figure 36. PowerSSO-12™ package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 37. PowerSSO-24™ package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 38. PowerSSO-12™ tube shipment (no suffix). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 39. PowerSSO-12™ tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 40. PowerSS0-24TM tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 41. PowerSSO-24TM tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
VND5050AJ-E / VND5050AK-E Block diagram and pin description
Doc ID 12272 Rev 10 5/37
Block diagram and pin description
Figure 1. Block diagram

Table 2. Pin function

Block diagram and pin description VND5050AJ-E / VND5050AK-E

6/37 Doc ID 12272 Rev 10
Figure 2. Configuration diagram (top view)

Table 3. Suggested connections for unused and not connected pins Not recommended.
VND5050AJ-E / VND5050AK-E Electrical specifications
Doc ID 12272 Rev 10 7/37

2 Electrical specifications
Figure 3. Current and voltage conventions

Note: VFn = VOUTn - VCC during reverse battery condition.
2.1 Absolute maximum ratings

Stressing the device above the rating listed in the “Absolute maximum ratings” table may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in the Operating sections of
this specification is not implied. Exposure to the conditions in table below for extended
periods may affect device reliability. Refer also to the STMicroelectronics SURE Program
and other relevant quality document.

Table 4. Absolute maximum ratings

Electrical specifications VND5050AJ-E / VND5050AK-E

8/37 Doc ID 12272 Rev 10
2.2 Thermal data


2.3 Electrical characteristics

8V
Table 4. Absolute maximum ratings (continued)
Table 5. Thermal data
Table 6. Power section
VND5050AJ-E / VND5050AK-E Electrical specifications
Doc ID 12272 Rev 10 9/37


For each channel. PowerMOS leakage included.
Table 7. Switching (VCC= 13V; Tj= 25°C)
Table 8. Logic input
Table 6. Power section (continued)

Electrical specifications VND5050AJ-E / VND5050AK-E

10/37 Doc ID 12272 Rev 10


Table 9. Protections and diagnostics (1)
To ensure long term reliability under heavy overload or short circuit conditions, protection and related
diagnostic signals must be used together with a proper software strategy. If the device is subjected to
abnormal conditions, this software must limit the duration and number of activation cycles.
Table 10. Current sense (8V
Table 8. Logic input (continued)
VND5050AJ-E / VND5050AK-E Electrical specifications
Doc ID 12272 Rev 10 11/37

Table 10. Current sense (8V
Electrical specifications VND5050AJ-E / VND5050AK-E

12/37 Doc ID 12272 Rev 10
VND5050AJ-E / VND5050AK-E Electrical specifications
Doc ID 12272 Rev 10 13/37

Figure 5. Delay response time between rising edge of output current and rising
edge of current sense (CS enabled)

Electrical specifications VND5050AJ-E / VND5050AK-E

14/37 Doc ID 12272 Rev 10
Note: Parameter guaranteed by design; it is not tested.
VND5050AJ-E / VND5050AK-E Electrical specifications
Doc ID 12272 Rev 10 15/37


Figure 8. Switching characteristics
Figure 9. Output voltage drop limitation
Table 11. Truth table
If the VCSD is high, the SENSE output is at a high impedance, its potential depends on leakage currents
and external circuit.

Electrical specifications VND5050AJ-E / VND5050AK-E

16/37 Doc ID 12272 Rev 10
Table 12. Electrical transient requirements (part 1/3) The above test levels must be considered referred to VCC = 13.5V except for pulse 5b.
Table 13. Electrical transient requirements (part 2/3)
The above test levels must be considered referred to VCC = 13.5V except for pulse 5b. Valid in case of external load dump clamp: 40V maximum referred to ground.
Table 14. Electrical transient requirements (part 3/3)
VND5050AJ-E / VND5050AK-E Electrical specifications
Doc ID 12272 Rev 10 17/37

Figure 10. Waveforms
Electrical specifications VND5050AJ-E / VND5050AK-E Doc ID 12272 Rev 10
2.4 Electrical characteristics curves
Figure 11. Off-state output current Figure 12. High level input current
Figure 13. Input clamp voltage Figure 14. Input high level
Figure 15. Input low level Figure 16. Input hysteresis voltage
VND5050AJ-E / VND5050AK-E Electrical specifications
Doc ID 12272 Rev 10 19/37
Figure 17. On-state resistance vs T case Figure 18. On-state resistance vs VCC
Figure 19. Undervoltage shutdown Figure 20. ILIMH vs Tcase
Figure 21. Turn-on voltage slope Figure 22. Turn-off voltage slope
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