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VN5E025AJTR-E
Single channel high side driver with analog current sense for automotive applications
September 2013 Doc ID 13106 Rev 5 1/37
VN5E025AJ-E
Single channel high-side driver with analog current sense
for automotive applications
Features General Inrush current active management by
power limitation Very low stand-by current 3.0 V CMOS compatible inputs Optimized electromagnetic emissions Very low electromagnetic susceptibility In compliance with the 2002/95/EC
european directive Very low current sense leakage Diagnostic functions Proportional load current sense High current sense precision for wide
currents range Current sense disable Off state openload detection Output short to VCC detection Overload and short to ground (power
limitation) indication Thermal shutdown indication Protections Undervoltage shutdown Overvoltage clamp Load current limitation Self limiting of fast thermal transients Protection against loss of ground and loss
of VCC Over-temperature shutdown with
autorestart (thermal shutdown) Typical value with all loads connected.
Contents VN5E025AJ-E
2/37 Doc ID 13106 Rev 5
Contents Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Absolue maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.5 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.1 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 24
3.1.1 Solution 1: resistor in the ground line (RGND only) . . . . . . . . . . . . . . . . 24
3.1.2 Solution 2: diode (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . . 25
3.2 Load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.3 MCU I/O protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.4 Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.4.1 Short to VCC and OFF state open load detection . . . . . . . . . . . . . . . . . 27
3.5 Maximum demagnetization energy (VCC= 13.5V) . . . . . . . . . . . . . . . . . 28 Package and PC board thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.1 PowerSSO-12 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.1 ECOPACK® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.2 PowerSSO-12 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.3 Packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
VN5E025AJ-E List of tables
Doc ID 13106 Rev 5 3/37
List of tables
Table 1. Pin function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 2. Suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 4. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 5. Power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 6. Switching characteristics (VCC=13V, Tj=25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 7. Logic inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 8. Protection and diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 9. Current sense (8VTable 10. Openload detection (8VTable 11. Truth table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 12. Electrical transient requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 13. Thermal parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 14. PowerSSO-12 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 15. Device summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 16. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
List of figures VN5E025AJ-E
4/37 Doc ID 13106 Rev 5
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 5. Openload Off-state delay timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6. Switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 7. Delay response time between rising edge of ouput current and rising edge of current
sense (CS enabled) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 8. Output voltage drop limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 9. IOUT / ISENSE vs IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 10. Maximum current sense ratio drift vs load current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 11. Normal operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 12. Overload or Short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 13. Intermittent Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 14. OFF-State Open Load with external circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 15. Short to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 16. TJ evolution in Overload or Short to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 17. Off state output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 18. High level input current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 19. Input clamp level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 20. Input low level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 21. Input high level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 22. Input hysteresis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 23. On state resistance vs Tcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 24. On state resistance vs VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 25. Undervoltage shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 26. Turn-On voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 27. ILIMH vs Tcase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 28. Turn-Off voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 29. CS_DIS high level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 30. CS_DIS clamp voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 31. CS_DIS low level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 32. Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 33. Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 34. Maximum turn off current versus inductance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 35. PowerSSO-12 PC board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 36. Rthj-amb vs PCB copper area in open box free air condition. . . . . . . . . . . . . . . . . . . . . . . 29
Figure 37. PowerSSO-12 thermal impedance junction ambient single pulse . . . . . . . . . . . . . . . . . . . 30
Figure 38. Thermal fitting model of a single channel HSD in PowerSSO-12 . . . . . . . . . . . . . . . . . . . 30
Figure 39. PowerSSO-12 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 40. PowerSSO-12 tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 41. PowerSSO-12 tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
VN5E025AJ-E Block diagram and pin description
Doc ID 13106 Rev 5 5/37 Block diagram and pin description
Figure 1. Block diagram
Table 1. Pin function
Block diagram and pin description VN5E025AJ-E
6/37 Doc ID 13106 Rev 5
Figure 2. Configuration diagram (top view)
Table 2. Suggested connections for unused and not connected pins
VN5E025AJ-E Electrical specifications
Doc ID 13106 Rev 5 7/37
2 Electrical specifications
Figure 3. Current and voltage conventions
Note: VF = V OUT - VCC during reverse battery condition.
2.1 Absolue 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 3. Absolute maximum ratings
Electrical specifications VN5E025AJ-E
8/37 Doc ID 13106 Rev 5
2.2 Thermal data
Table 3. Absolute maximum ratings (continued)
Table 4. Thermal data
VN5E025AJ-E Electrical specifications
Doc ID 13106 Rev 5 9/37
2.3 Electrical characteristics
Values specified in this section are for 8Vstated.
Table 5. Power section PowerMOS leakage included.
Table 6. Switching characteristics (VCC =13V, Tj =25°C)
Electrical specifications VN5E025AJ-E
10/37 Doc ID 13106 Rev 5
Table 7. Logic inputs
Table 8. Protection 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 operates under
abnormal conditions this software must limit the duration and number of activation cycles.
VN5E025AJ-E Electrical specifications
Doc ID 13106 Rev 5 11/37
Table 9. Current sense (8VElectrical specifications VN5E025AJ-E
12/37 Doc ID 13106 Rev 5
Parameter guaranteed by design, it is not tested. Fault condition includes: power limitation, overtemperature and open load OFF state detection.
Table 10. Openload detection (8VTable 9. Current sense (8VVN5E025AJ-E Electrical specifications
Doc ID 13106 Rev 5 13/37
Electrical specifications VN5E025AJ-E
Figure 7. Delay response time between rising edge of ouput current and rising
edge of current sense (CS enabled)
Figure 8. Output voltage drop limitation
VN5E025AJ-E Electrical specifications
Doc ID 13106 Rev 5 15/37
Note: Parameter guaranteed by design; it is not tested.
Electrical specifications VN5E025AJ-E
16/37 Doc ID 13106 Rev 5
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.
VN5E025AJ-E Electrical specifications
Doc ID 13106 Rev 5 17/37
Table 12. Electrical transient requirements 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.
Electrical specifications VN5E025AJ-E
18/37 Doc ID 13106 Rev 5
2.4 Waveforms
Figure 11. Normal operation
Figure 12. Overload or Short to GND
VN5E025AJ-E Electrical specifications
Doc ID 13106 Rev 5 19/37
Figure 13. Intermittent Overload
Figure 14. OFF-State Open Load with external circuitry
