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參數(shù)資料
| 型號(hào)： | LA5621M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Lithium-Ion Battery Charge Control IC(鋰電池充電控制芯片) |
| 中文描述： | 鋰離子電池充電控制IC（鋰電池充電控制芯片） |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大小： | 89K |
| 代理商： | LA5621M |
Pin Functions
No. 5640-4/6
LA5621M, 5621V
Pin No.
Pin name
Function
LA5621M
LA5621V
1
1
BIAS1
Resistor connection pin for setting non-reversed input potential of comparator 1
2
2
V
IN
1
–
*
V
IN
1
+
*
CPU
Reversed input of comparator 1 (for charge current detection)
3
3
Non-reversed input of comparator 1 (for charge current detection)
4
4
Microcontroller signal input pin
5
5
BIAS2
Resistor connection pin for setting non-reversed input potential of comparator 2
6
6
V
IN
2
–
*
V
IN
2
+
*
NC
Reversed input of comparator 2 (for countercurrent detection when 2 batteries are used)
7
7
Non-reversed input of comparator 2 (for countercurrent detection when 2 batteries are used)
—
8
No connection
—
9
NC
No connection
8
10
GND
Substrate of this IC (Lowest potential)
9
11
CHARGE
Charging signal input pin, charge with low
10
12
CHARGE INH
Charge prohibition signal input pin, charge prohibition with low (becomes low during discharge mode
for lithium-ion battery that set operates on)
11
13
BATT/EXT
On/off control pin of this IC, except Gate block (becomes "Open" during discharge mode for
lithium-ion battery that set operates on)
12
14
V
CC
2
GATE
Power supply input
13
15
Gate connection pin of external power MOSFETs
14
16
V
CC
1
Lithium-ion battery + side input pin
Specified Test Circuit
Note:
*
If negative voltage is applied due to countercurrent, etc., up to 1.5 mA can be allowed.
A
Operating temperature, Ta — °C
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相關(guān)代理商/技術(shù)參數(shù) |
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| LA5621V | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Lithium-Ion Battery Charge Control IC |
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| LA5627W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:LA5627W |
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