M62254FP Datasheet, PDF (7/11 Pages) Mitsubishi Electric Semiconductor – Standard Battery Charger Controller

Mitsubishi Semiconductor < DIGI•ANA Interface >
M62254FP
Standard Battery Charger Controller
Pin description
Pin #
24
23
Symbol
CS
CK
Description
The serial data input pin which used to receives 8 bit wide serial data.
The shift clock input pin which takes the input signal of DI pin to 8 bit shift register by
the rising edge of the clock signal.
22
17
11
12~15
16
10
9
7,8
3~5
19
21
20
29
30
28
32
2 , 33
1 , 34
36 , 35
31
6
18
27
26
25
When CS pin is "Low", this pin can receive the data into the 8 bit shift register. The
DI
each bit will be latched at rising edge of the clock signal.
DOUT
REF
IN1~4
ISENSE
CD
SSW
MSW1~2
LED1~3
vDD
VB
Vcc
IDET
Iadj
VDET
The output pin of the amplified A-D input.
The reference voltage output pin of the A-D converter.
The A-D converter input pin.
The current sense input pin.
The input pin for the current detection to feed back of sub-switch driver.
The sub-switch driver output pin.
The main switch driver output pin. (Open collector)
The LED driver output pin. (Open collector)
The stabilized +5V output pin.
The pre-drive pin which used to connect the external PNP Tr.
The power supply pin.
The current detection input pin.
The input pin for current detection adjustment.
The voltage detection input pin.
P.C
The feedback pin for voltage and current control.
OPIN1-,IN2- The inverted input pin of Op. amp.
OPIN1+,IN2+ The non-inverted input pin of Op. amp.
OPOUT1,2 The Op. amp. output pin. (Open collector output)
GND
The ground pin.
P.GND The ground pin of power unit. (Main switch driver and LED driver)
RESET The output pin of Reset and WDT. (Pulled up to VDD)
TC
The pin used to connect capacitor to determine the time constant of WDT.
WD
The input pin of the WDT.
Ctd
The pin used to connect capacitor to determine delay time the output after the Reset.