Teac CR-L600, Service Manual, Page: 17 / 33

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TP2050 Power Stage Pin Descriptions
Pin Function Description
1 GND-SUB Substrate ground
35,36 VccSign Signal positive supply
15 Vcc1A Positive supply
12 Vcc1B Positive supply
7 Vcc2A Positive supply
4 Vcc2B Positive supply
14 GND1A Negative supply
13 GND1B Negative supply
6 GND2A Negative supply
5 GND2B Negative supply
16,17 OUT1A Output half bridge 1A
10,11 OUT1B Output half bridge 1B
8,9 OUT2A Output half bridge 2A
2,3 OUT2B Output half bridge 2B
29 IN1A Input of half bridge 1A
30 IN1B Input of half bridge 1B
31 IN2A Input of half bridge 2A
32 IN2B Input of half bridge 2B
21,22 Vdd 5V regulator referenced to ground
33,34 Vss 5V regulator referenced to Vcc
25 PWRDN Stand-by pin
26 TRI-STATE Hi-Z pin
27 FAULT Fault output
24 CONFIG Config input
28 TH-WAR Thermal warning output
19 GND-clean Logic ground
23 IBIAS Logic high voltage
18 NC Not connected
20 GND-Reg Ground for Vdd regulator
TP2050 Power Stage Pinout
(Top view with heat slug up)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
GNDSUB
OUT2B
OUT2B
VCC2B
GND2B
GND2A
VCC2A
OUT2A
OUT2A
OUT1B
OUT1B
VCC1B
GND1B
GND1A
VCC1A
OUT1A
OUT1A
NC GNDCLEAN
GNDREG
VDD
VDD
IBIAS
CONFIG
PWRDN
TRISTATE
FAULT
TH_WAR
IN1A
IN1B
IN2A
IN2B
VSS
VSS
VCCSIGN
VCCSIGN