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參數(shù)資料
| 型號： | MM1248 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | Control of Lithium Ion Battery Charging and Discharging |
| 中文描述： | 控制的鋰離子電池充放電 |
| 文件頁數(shù)： | 8/8頁 |
| 文件大?。?/td> | 210K |
| 代理商： | MM1248 |
MITSUMI
Control of Lithium Ion Battery Charging and Discharging MM1248
Pin no.
Pin name
Equivalent circuit
Function
8
CDC
Pin for connection to a capacitor to set the dead
time for discharge on/off switching
During discharge : approx. 5V; when discharge
stops : GND level
Dead time is set when discharge is turned off and
discharge stopped
Dead time is approx. 1S for an 0.1μF capacitance
11
BATL
Pin for input of L cell+terminal voltage (in a battery
module with three cells in series, cells are defined,
starting from the high side, as the H cell, M cell
and L cell)
10
FET (G)
Pin for connection to P-ch FET gate for battery
module voltage level input
During discharge "L" is output; when discharge is
stopped switches to "H"
12
OV2
Pin for overvoltage signal output; NPN open
collector output
High-impedance output during normal operation;
switches to "L" on overcharge
The high-potential side of the pull-up resistance
should be 10 V max
14
FET (D)
Pin for connection to drain of P-ch FET for battery
module voltage level input
13
BATM
Pin for input of M cell+terminal voltage
16
V
CC
Power supply input pin for overcharge detection,
discharge control, battery module voltage
monitoring units
Voltage at same potential as B
ATH
should be input
15
B
ATH
Pin for input of H cell+terminal voltage
9
GND
GND pin for this IC
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