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PDF M62255FP Data sheet ( Hoja de datos )
| Número de pieza | M62255FP | |
| Descripción | GENERAL PURPOSE BATTERY CHARGER CONTROL IC | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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New Product TENTATIVE
MITSUBISHI<Dig./Ana. INTERFACE>
M62255FP
GENERAL PURPOSE BATTERY CHARGER CONTROL IC
DESCRIPTION
Notice: This is not a final specification.
Some parametric limits are subject to change.
The M62255FP is intended to be used a general purpose
battery charger control for Note PC. The M62255FP contains the
functions which are required for the battery charge control ,on
single chip using low peripheral component requirement . The
M62255FP can handle battery charge control, monitor battery
temperature and prevent from over current and voltage with
microcomputer. It contains DC-DC converter circuit which can
be used for the feedback control of the charge current and the
output voltage.
It is the best fit for Smart Battery Charger.
FEATURES
•Built-in 3 wire serial data interface for MCU.
•Built-in multiplexer and level magnification circuit with 4 input ports.
•Built-in DC-DC converter circuit for PWM function
•Built-in two current detection circuits. These circuits can detect
charge current and discharge current
•ON/OFF control with low power dissipation mode. (Power save)
PIN CONFIGURATION (TOP VIEW)
SW
PGND
OSC
GND
1
2
3
4
PS 5
CK 6
DI 7
CS 8
DCDOUT 9
REF IN 10
ADJ 11
Vcc 12
24 Vc
23 VDET
22 IDET
21 ISENSE1 -
20 ISENSE1 +
19 IN1
18 IN2
17 IN3
16 IN4
15 DOUT
14 ISENSE2 -
13 ISENSE2 +
24P2Q-A
APPLICATION
Note.P.C, Video camera and general battery charger for other
digital equipment
BLOCK DIAGRAM
SW Vc
IDET ISENSE2 + ISENSE2 - DCDOUT
Vcc
ADJ
REF IN
OSC
PGND
GND
Output
Drive circuit
PWM
Comp
Current
control
OPAmp
Discharge Current
Detect Circuit
Charge Current
Detect Circuit
Vref
Output Voltage
Detect Circuit
OSC
To Internal Circuit
Power
Save
Voltage
control
OPAmp
Vref
8bit
3bit
D-A
Converter
Vref
Logic Circuit
4bit
Multiplexer
&
Level
Magnification
Circuit
PS CK DI CS
DOUT
ISENSE1 +
ISENSE1 -
VDET
IN1
IN2
IN3
IN4
( 1 / 12 )
1 page  
New Product TENTATIVE
MITSUBISHI<Dig./Ana. INTERFACE>
M62255FP
GENERAL PURPOSE BATTERY CHARGER CONTROL IC
<DIGITAL DATA FORMAT>
MSB Last
First LSB
DI 8-BIT SHIFT RESISTER
CK D7 D6 D5 D4 D3 D2 D1 D0
CS ADDRESS DECODER
6
4
LATCH LATCH LATCH LATCH
MPX
MPX
MPX
MPX
CURRENT
CONTROL
VOLTAGE
CONTROL
SW
VOLTAGE
Fine
CONTROL
AMP
SELECT
SW SW
LATCH
MPX
LATCH
MPX
INPUT
SELECT
A-D
REFERENCE
SELECT
<DATA TIMING CHART > (MODEL)
LSB MSB
DI D0 D1 D2 D3 D4 D5 D6 D7
CK
CS
<DATA SETTING>
Control function
RESET
Current control
Voltage control
Voltage fine control
Amp. select
A-D Input select
A-D Reference select
Address
Data
D7 D6 D5 D4 D3 D2 D1 D0
Description
A-D Reference voltage = 2.5V
- - - -0 0 0 0
Voltage control setting = 4.2V
Voltage fine control setting = 0V
Current control setting = 20mV
0 0 0 1 - - - - See Table 1
0 0 1 0 - - - - See Table 2
0 0 1 1 - - - - See Table 3
0 1 0 0 - - - - See Table 4
0 1 0 1 - - - - See Table 5
0 1 1 0 - - - - See Table 6
( 5 / 12 )
5 Page 
New Product TENTATIVE
MITSUBISHI<Dig./Ana. INTERFACE>
M62255FP
GENERAL PURPOSE BATTERY CHARGER CONTROL IC
600K 200K
(11/ 12 )
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet M62255FP.PDF ] | |
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