Denon S-81 Service Manual page 43

TAS5142DKD (IC709 : 1U-3762)
DKD PACKAGE
(TOP VIEW)
Terminal Functions
TERMINAL
NAME DKD NO.
GVDD_B
OTW
SD
PWM_A
RESET_AB
PWM_B
OC_ADJ
GND
AGND
VREG
M3
M2
M1
PWM_C
RESET_CD
PWM_D
VDD
GVDD_C
GVDD_D
BST_D
PVDD_D
OUT_D
GND_D
GND_C
OUT_C
PVDD_C
BST_C
BST_B
PVDD_B
OUT_B
GND_B
GND_A
OUT_A
PVDD_A
BST_A
GVDD_A
(1)
I = input, O = output, P =
GVDD_B
1
OTW
2
SD
3
PWM_A
4
RESET_AB
5
PWM_B
6
OC_ADJ
7
GND
8
AGND
9
VREG 10
M3
11
M2
12
M1 13
PWM_C
14
RESET_CD
15
PWM_D 16
VDD
17
GVDD_C
18
(1)
FUNCTION
1 P Gate-drive voltage supply requires 0.1-µF capacitor to AGND
2 O Overtemperature warning signal, open-drain, active-low
3 O Shutdown signal, open-drain, active-low
4 I Input signal for half-bridge A
5 I Reset signal for half-bridge A and half-bridge B, active-low
6 I Input signal for half-bridge B
7 O Analog overcurrent programming pin requires resistor to ground
8 P Ground
9 P Analog ground
10 P Digital regulator supply filter pin requires 0.1-µF capacitor to AGND.
11 I Mode selection pin
12 I Mode selection pin
13 I Mode selection pin
14 I Input signal for half-bridge C
15 I Reset signal for half-bridge C and half-bridge D, active-low
16 I Input signal for half-bridge D
17 P Power supply for digital voltage regulator requires 0.1-µF capacitor
to GND.
18 P Gate-drive voltage supply requires 0.1-µF capacitor to AGND
19 P Gate-drive voltage supply requires 0.1-µF capacitor to AGND
20 P HS bootstrap supply (BST), external capacitor to OUT_D required
21 P Power supply input for half-bridge D requires close decoupling of
0.1-µF capacitor to GND_D.
22 O Output, half-bridge D
23 P Power ground for half-bridge D
24 P Power ground for half-bridge C
25 O Output, half-bridge C
26 P Power supply input for half-bridge C requires close decoupling of
0.1-µF capacitor to GND_C.
27 P HS bootstrap supply (BST), external capacitor to OUT_C required
28 P HS bootstrap supply (BST), external capacitor to OUT_B required
29 P Power supply input for half-bridge B requires close decoupling of
0.1-µF capacitor to GND_B.
30 O Output, half-bridge B
31 P Power ground for half-bridge B
32 P Power ground for half-bridge A
33 O Output, half-bridge A
34 P Power supply input for half-bridge A requires close decoupling of
0.1-µF capacitor to GND_A.
35 P HS bootstrap supply (BST), external capacitor to OUT_A required
36 P Gate-drive voltage supply requires 0.1-µF capacitor to AGND
power
GVDD_A
36
BST_A
35
PVDD_A
34
OUT_A
33
GND_A
32
GND_B
31
OUT_B
30
PVDD_B
29
BST_B
28
27 BST_C
PVDD_C
26
OUT_C
25
24 GND_C
GND_D
23
OUT_D
22
21 PVDD_D
BST_D
20
GVDD_D
19
DESCRIPTION
43
S-81/S-81DAB