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參數(shù)資料
| 型號(hào)： | MM1433 |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | IC for Control of Lithium-ion Batteries Charging |
| 中文描述： | BATTERY CHARGE CONTROLLER, PDSO24 |
| 封裝： | TSOP-24 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 343K |
| 代理商： | MM1433 |
MITSUMI
IC for Control of Lithium-ion Batteries Charging MM1433
Pin Description
Pin No.
Pin name
I/O
Functions
Forced charging OFF pin
L: Forced charging circuit ON (OFF for reset)
H: Charging stop is forced
Logic reset pin
L: Forced charging circuit ON (start)
H: Forced charging circuit OFF
Test pin 1
Pre-charge timer test pin
Inverts while counting (the middle stage of the several FF stages) and output to
TP1, to permit monitoring.
Also, TP1 output signal is inverted again inside the IC and inputs to the next stage
FF. (Timer setting is done by binary counter.)
Test pin 2
Full charge timer test pin
Same structure as TP1
Reference power supply output pin
Outputs 1.2V typ. reference voltage. Used for temperature detection reference
power supply and ADJ1 - ADJ4 adjustment.
Ground pin.
Ground pin.
Overcurrent detection adjustment pin
Set so that overcurrent detection does not function. Pin voltage is 1.16V typ.
Full charge detection adjustment pin
Pin voltage is set at 93mV typ. Full charge detection value can be changed by
adjusting pin voltage with an external resistor, etc.
Full charge detection is done by comparing ADJ2 pin voltage and 12dB voltage
drop value between CS and BAT.
Pre-charge current adjustment pin
Pin voltage is set at 120mV typ. Pre-charge current can be changed by adjusting
pin voltage with an external resistor, etc.
Pre-charge current control is done by comparing ADJ3 pin voltage and 12dB
voltage drop value between CS and BAT.
Full charge current adjustment pin
Pin voltage is set at 0.89mV typ. Full charge current can be changed by adjusting
pin voltage with an external resistor, etc.
Full charge current control is done by comparing ADJ4 pin voltage and 12dB
voltage drop value between CS and BAT.
When full charge current is controlled to rated current by an adapter, short ADJ4
pin and VREF pin so that rated current control does not function in the IC.
1
CHGSW
Input
2
RESET
Input
3
TP1
Input/
Output
Input/
Output
4
TP2
5
VREF
Output
6
GND1
GND2
Input
Input
7
8
ADJ1
Input
9
ADJ2
Input
10
ADJ3
Input
11
ADJ4
Input
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM1433_ | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Lithium-Ion Battery Charge Control (1 to 2 cells) |
| MM1434 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:Q Xpander Processors |
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| MM1438 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:IC for Control of Lithium-ion Betteries Charging |
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