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參數(shù)資料
| 型號(hào)： | RT9541DCER |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LI LON BATTERY PROTECTOR |
| 中文描述： | 李離子電池保護(hù)器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 194K |
| 代理商： | RT9541DCER |
Preliminary
RT9541
DS9541-05 August 2001
www.richtek-ic.com.tw
1
Li-Ion Battery Protector
General Description
The RT9541 Series are protection ICs for over-
charge/discharge of rechargeable one-cell Lithium-ion
(Li+) batteries by CMOS process.
The RT9541 Series can detect over-charge/discharge
of Li+ one-cell and excess load current and charge
current, further include a short circuit protector for
preventing large external short circuit current.
Each of these ICs is composed of four voltage
detectors, a reference unit, a hysteresis circuit, and a
bidirectional short circuit protector. Package of SOT-
26 is available.
Ordering Information
RT9541
Typical Application Circuit
Features
z
Low supply current
Supply current: TYP. 2.0
μ
A
Standby
current
discharge): Less than 0.2
μ
A
z
High accuracy detector threshold
Over-charge detector:
±
25mV
Over-discharge detector:
±
2.5%
z
Built-in protection circuit
Excess current trip/Short circuit protector in
both charging and discharging direction
(after
detecting
over-
z
Output delay of over-charge adjustable with
an external capacitor: 75mS at 0.01
μ
F
z
Ultra small package: SOT26
Applications
z
Over-charge / Over-discharge Protection for Li+
One-cell Pack
z
High Precision Protectors for Cellular Phones or
Instruments Using Li+ One-cell Battery
Pin Configurations
Part Number
Pin Configurations
RT9541
CE
(Plastic SOT-26)
TOP VIEW
1. COUT
2. CT
3. VSS
4. DOUT
5. VDD
6. V-
RT9541
CER
(Plastic SOT-26)
TOP VIEW
1. DOUT
2. V-
3. COUT
4. CT
5. VDD
6.
VSS
6
4
3
2
1
5
6
4
3
2
1
5
Operating temperature range
C: Commercial standard
See Table 1
Package type
E : SOT-26 Type I
ER : SOT-26 Type II
RT9541
VDD
CT
VSS
DOUT
COUT
V-
+
R1
100
C1
0.1
μ
F
C3
0.01
μ
F
C2
0.1
μ
F
R2
1K
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RT9541BCE | LI LON BATTERY PROTECTOR |
| RT9541BCER | LI LON BATTERY PROTECTOR |
| RT9541DCE | LI LON BATTERY PROTECTOR |
| RT9541TCE | LI LON BATTERY PROTECTOR |
| RT9541TCER | LI LON BATTERY PROTECTOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9541ECE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LI LON BATTERY PROTECTOR |
| RT9541ECER | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LI LON BATTERY PROTECTOR |
| RT9541FCE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LI LON BATTERY PROTECTOR |
| RT9541FCER | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LI LON BATTERY PROTECTOR |
| RT9541GCE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LI LON BATTERY PROTECTOR |
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