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參數(shù)資料
| 型號： | SS6821BCVTR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Single-cell Lithium-lon Battery Protection IC |
| 中文描述： | 單節(jié)鋰離子電池保護IC |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 151K |
| 代理商： | SS6821BCVTR |
www.SiliconStandard.com 6 of 10
SS6821
BLOCK DIAGRAM
Power-down
Control
Wake-up Control
-0.3V
3
4
1
2
5
VCC
Overdischarge
Delay Circuit
Overcharge
Delay Circuit
Overcurrent
Delay Circuit
Enable
Enable
Load Detected
0.3V
0.2V
CS
GND
OC
OD
1.2V
1V
PIN DESCRIPTIONS
PIN 1: OC
- PMOS open drain output for control
of the charge control MOSFET M2.
In normal mode, this PMOS turns
on to pull the gate of the MOSFET
M2 high, and the MOSFET M2 turns
on. When over-charge occurs, this
PMOS turns off, no current flows
through R3 and the MOSFET M2
turns off.
PIN 2: GND - Ground pin. This pin is to be
connected to the negative terminal
of the battery cell.
PIN 3: OD
- Output pin for control of the
discharge control MOSFET M1.
When over-discharge occurs, this
pin goes low to turn off the
MOSFET M1 and discharging is
halted.
PIN 4: CS
- Input pin for current sensing. Using
the
sum
of
voltages of the MOSFET M1 and
the MOSFET M2 (voltage between
CS and GND), it senses the
discharge current during normal
mode and detects whether charging
current is present during the power-
down mode. It is also used to detect
whether the load is connected
during over-charge mode.
the
drain-source
PIN 5: VCC - Power supply pin. This pin is to be
connected to the positive terminal of
the battery cell.
12/6/2004 Rev.2.02
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SS6821-BCVTR | 制造商:SSC 制造商全稱:Silicon Standard Corp. 功能描述:Single-Cell Lithium-Ion Battery Protection IC |
| SS6821C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-cell Lithium-lon Battery Protection IC |
| SS6821CCV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-cell Lithium-lon Battery Protection IC |
| SS6821CCVTR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-cell Lithium-lon Battery Protection IC |
| SS6821-CCVTR | 制造商:SSC 制造商全稱:Silicon Standard Corp. 功能描述:Single-Cell Lithium-Ion Battery Protection IC |
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