Sharp 902SH Service Manual page 102

IC2001 VHIR116129D-1L (R1161D291D): SD POWER CONTROL
Pin No. Terminal name
1 VDD (VIN)
2* NC
3 VOUT
4 ECO
5 GND
6 /CE or CE
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC2002 RH-IX3067AFZZL (BD6020): COMPOUND POWER SUPPLY 2
Pin No. Terminal name
1 GNDT1
2 VBAT1
3 GND1
4 VIO
5 CLK
6 RSTB
7 T2
8 VNEG
9* NC
10 TRSW
11 DATA
12 STRB
13* TEST1
14 VOUT1
15 SENSEN1
16 SENSEN2
17 VBAT2B
18 VBAT2A
19 SENSP2
20 SENSP1
21* TEST2
22 VOUT2
23 CNTOUT
24 VSEL2
25 VREF
26 CURSENS
27 GNDP
28 GND3
29 VBAT3
30 REG2CNT
31 VPLUS11
32 GND2
33* CUR
CONFIDENTIAL
Input pin
Not used
Output pin
High speed, low power switch
Earth
Chip enable pin
VDD
/CE
Input/Output
– Test pin (GND internal connection)
– Negative boost DC/DC power supply pin
– Earth power supply pin
– CPU I/F constant current driver power supply pin
Input Three-wire serial clock input
Input Reset input
– Test pin (connected to T4)
Input Negative boost DC/DC output voltage detection pin
– Not used
Output Switching Tr drive pin of negative boost DC/DC
Input Three-wire serial data input
Input Three-wire serial strobe input
Input Test pin (Not used)
Output REG1 output
Input Switching Tr current sense pin of negative boost DC/DC
Input Test pin
– REG1/REG2/VREF power supply pin
– REG1/REG2/VREF power supply pin (VIN)
Input Test pin
Input Switching Tr current sense pin of negative boost DC/DC
Input Test pin (Not used)
Output REG2 output
Output External regulator control output
Input REG2 output voltage switching pin
Output Voltage reference & smoothing capacitor connection pin
Input Current detection pin for constant current drive
– Earth
– Earth
– Boost DC/DC power supply pin
Input REG2 control pin
Input REGCP power supply pin
– Earth
Output Transistor drive pin for constant current drive control (Not used)
Description of terminal
ECO
VOUT
-
+
GND
Description of terminal
6 – 25
902SH