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IC814 TC7WH157FK (TE85R)<br />

A 1<br />

B 2<br />

Y<br />

3<br />

GND 4<br />

EN G<br />

A Y<br />

B<br />

Y<br />

8<br />

117<br />

116<br />

5<br />

VCC<br />

ST<br />

SELECT<br />

Y<br />

– AMP Board –<br />

IC301, 304, 306, 307, 309, 311 CXD9702L<br />

VBBA<br />

VBOOTA<br />

VDRVA<br />

VDDA<br />

GNDA<br />

INA<br />

ENA<br />

DIAGA<br />

OUTA<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8<br />

9<br />

SA 10<br />

VBBB 11<br />

VBOOTB 12<br />

VDRVB 13<br />

VDDB 14<br />

GNDB 15<br />

INB 16<br />

ENB 17<br />

DIAGB 18<br />

OUTB 19<br />

SB 20<br />

VBBA<br />

VDRVA<br />

LOW SIDE<br />

LEVEL SHIFT<br />

PRE<br />

DRIVER<br />

VBBB<br />

VDRVB<br />

LOW SIDE<br />

LEVEL SHIFT<br />

PRE<br />

DRIVER<br />

CROSS OVER<br />

DELAY<br />

CROSS OVER<br />

DELAY<br />

HIGH SIDE<br />

LEVEL SHIFT<br />

PRE<br />

DRIVER<br />

HIGH SIDE<br />

LEVEL SHIFT<br />

PRE<br />

DRIVER<br />

UNDER<br />

VOLTAGE<br />

LOCK–OUT<br />

VBBA<br />

VBBB<br />

UNDER<br />

VOLTAGE<br />

LOCK–OUT<br />

HCD-S550/S880<br />

VDRVA<br />

VDRVB<br />

THERMAL<br />

SHUT DOWN<br />

PROTECTOR<br />

CIRCUIT<br />

FILTER<br />

−<br />

−<br />

+<br />

THERMAL<br />

SHUT DOWN<br />

PROTECTOR<br />

CIRCUIT<br />

FILTER<br />

−<br />

−<br />

+<br />

+<br />

+<br />

VBBA<br />

VBBB<br />

79

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