參數(shù)資料
型號(hào): M61040FP
廠商: Mitsubishi Electric Corporation
英文描述: Smart battery protection and monitoring IC
中文描述: 智能電池保護(hù)和監(jiān)測集成電路
文件頁數(shù): 12/25頁
文件大?。?/td> 181K
代理商: M61040FP
Smart battery protection and monitoring IC
M61040FP
Mitsubishi Electric
(12/25)
6.
Block diagram description
(1)
Battery voltage detection circuit
The M61040 battery voltage detection circuit is shown in figure 5.
This circuit is composed of switch, buffer amplifier, reference voltage section and logic circuit.
Microcomputer selects detecting voltage before logic circuit controls the connection of switches.
This connection decides which cell voltage(Vbat1,Vbat2,Vbat3,Vbat4) should be output from Analog
out pin. Besides offset voltage can be output.
In Power Down mode, supply current in this block is close to zero because all switches are off.
NOTE:
Regard 50
μ
s as the standard of settling time by voltage change in this block.
V
IN
10
V
IN
4
V
IN
3
V
IN
1
V
IN
2
Vat4
Vat3
Vat2
Vat1
S01
S02
S42
S41
S32
S31
Switch Control
From Serial to Parallel
conversion circuit
Logic Circuit
S22
S21
S11
GND
Vref
To Multiplexer circuit
Figure 5. Battery voltage detection circuit
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