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参数资料
| 型号： | MAX1508Y |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Linear Li+ Battery Charger with Integrated Pass FET. Thermal Regulation. and ACOK-bar in 3mm x 3mm TDFN |
| 中文描述： | 线性Li+电池充电器，带有集成调整FET、热调节和ACOK，3mm x 3mm TDFN封装 |
| 文件页数： | 6/11页 |
| 文件大小： | 198K |
| 代理商： | MAX1508Y |
M
Linear Li+ Battery Charger with Integrated Pass FET,
Thermal Regulation, and
ACOK
in 3mm x 3mm TDFN
6
_______________________________________________________________________________________
MAX1508
OUTPUT DRIVER,
CURRENT SENSE,
AND LOGIC
V
LUVLO
V
INOVLO
IN
ON
INOK
REFOK
V
LOK
REFOK
REF
VL
N
LOGIC
TEMPERATURE
SENSOR
V
REF
IREF
IN
ISET
VL
0.47
μ
F
BATT
EN (EN)
200k
GND
IN
100
°
C
BATT
CHG
IN
N
ACOK
VI/O
MAX1508 AND
MAX1508Z ONLY
( ) ARE FOR MAX1508Y ONLY
CHG
Charge Indicator Output
CHG
is an open-drain current source for indicating
charge status. Table 1 describes the state of
CHG
dur-
ing different stages of operation.
CHG
is a nominal 12mA current source suitable for dri-
ving a charge-indication LED. If the MAX1508 is used
in conjunction with a microprocessor, a pullup resistor
to the logic I/O voltage allows
CHG
to indicate charge
status to the μP instead of driving an LED.
Soft-Start
An analog soft-start algorithm activates when entering
fast-charge mode. When the prequalification state is
complete (V
BATT
exceeds +2.5V), the charging current
ramps up in 3ms to the full charging current. This
reduces the inrush current on the input supply. Since
the MAX1508Y and MAX1508Z do not have a prequali-
fication state, they automatically enter soft-start upon
activation.
Figure 1. Functional Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1508YETA | 制造商:Maxim Integrated Products 功能描述:LINEAR LI+ BATT CHARGR W INTEGRATD - Rail/Tube |
| MAX1508YETA+ | 制造商:Maxim Integrated Products 功能描述:CHRGR LI-ION 800MA 4.2V 8TDFN EP - Rail/Tube |
| MAX1508YETA+T | 功能描述:电池管理 Linear Li+ Battery Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1508YETA-T | 功能描述:电池管理 Linear Li+ Battery Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1508ZETA | 制造商:Maxim Integrated Products 功能描述:LINEAR LI+ BATT CHARGR W INTEGRATD - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
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