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STA516B-STA516B13TR
65-volt, 7.5-amp, quad power half bridge
February 2014 DocID13183 Rev 6 1/18
STA516B

65 V, 7.5 A quad power half bridge
Datasheet - production data
Features
Low input/output pulse width distortion 200 m R dsON complementary DMOS output
stage CMOS compatible logic inputs Thermal protection Thermal warning output Undervoltage protection
Description

STA516B is a monolithic quad half-bridge stage in
multipower BCD technology. The device can be
used as dual bridge or reconfigured, by
connecting pin CONFIG to pins VDD, as a single
bridge with double-current capability or as a half
bridge (binary mode) with half current capability.
The device is designed, particularly, to be the
output stage of a stereo all digital high efficiency
amplifier. It is capable of delivering 200 W +
200 W into 6  loads with THD= 10% at
VCC=51 V or, in single BTL configuration, 400 W
into a 3 load with THD = 10% at VCC = 52V.
The input pins have a threshold proportional to
the voltage on pin VL.
The STA516B is aimed at audio amplifiers in hi-fi
applications, such as home theatre systems,
active speakers and docking stations.
It comes in a 36 pin PowerSO package with
exposed pad up (EPU).

Table 1. Device summary
Introduction STA516B
1 Introduction
Figure 1. Application circuit (dual BTL)
STA516B Pin description
2 Pin description
Figure 2. Pin out

Table 2. Pin function
Pin description STA516B
4/18 DocID13183 Rev 6
Table 2. Pin function (continued)
DocID13183 Rev 6 5/18
STA516B Electrical characteristics
3 Electrical characteristics


Warning: Stresses beyond those listed under “Absolute maximum
ratings” make cause permanent damage to the device. These
are stress ratings only, and functional operation of the device
at these or any other conditions beyond those indicated
under “Recommended operating condition” are not implied.
Exposure to absolute-maximum-rated conditions for
extended periods may affect device reliability. In the real
application, power supply with nominal value rated inside
recommended operating conditions, may experience some
rising beyond the maximum operating condition for short
time when no or very low current is sinked (amplifier in mute
state). In this case the reliability of the device is guaranteed,
provided that the absolute maximum rating is not exceeded.



Table 3. Absolute maximum ratings
Table 4. Thermal data
Table 5. Recommended operating conditions
Electrical characteristics STA516B
6/18 DocID13183 Rev 6
Unless otherwise stated, the test conditions for Table 6 below are VL = 3.3 V, VCC = 50 V
and Tamb = 25 °C
Table 6. Electrical characteristics
DocID13183 Rev 6 7/18
STA516B Electrical characteristics


See specific application note number: AN1994
Table 7. Threshold switching voltage variation with voltage on pin VL
Table 8. Logic truth table
Table 6. Electrical characteristics (continued)
Electrical characteristics STA516B DocID13183 Rev 6
3.1 Test circuits
Figure 3. Test circuit
Figure 4. Current dead-time test circuit
DocID13183 Rev 6 9/18
STA516B Power supply and control sequencing Power supply and control sequencing
o guarantee correct operation and reliability, the recommended power-on sequence as
given below should be followed: Apply VCC and VL, in any order, keeping PWRDN low in this phase Release PWRDN from low to high, keeping TRISTATE low (until VDD and VSS are
stable) Release TRISTATE from low to high
Always maintain PWM inputs INxy < VL.
Figure 5. Power-ON sequence

Power-OFF sequence: When TRISTATE or PWRDN go low, the outputs go into HiZ state Inputs INxy are removed before VL is removed VL can be removed before or after VCC
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