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| 型号： | MAX1501ZETE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY CHARGER 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS |
| 标准包装： | 60 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子，镍镉，镍氢 |
| 电源电压： | 4.5 V ~ 13 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 托盘 |
Highly Integrated, Linear Battery Charger with
Thermal Regulation for Portable Applications
AC
ADAPTER
1 μ F
4.75V TO 6.5V
IN
INP
BATT
4.5V 3-CELL NiMH
OR NiCd
10 μ F
AC
ADAPTER
1 μ F
5.25V TO 6.5V
IN
INP
BATT
4.95V
3-CELL NiMH
OR NiCd
10 μ F
MAX1501/MAX1501Z
MAX1501/MAX1501Z
GLED
RLED
TEMP
ACOK
GLED
RLED
TMAX/I.C.
TEMP
TMAX/I.C.
FULLI
V I/O
R PULLUP
FULLI
2.8k ?
SETI
SELV
VL
μ P
ACOK
CHGEN
VL
SELV
MODE
SETI
MODE
CHGEN GND
GND
2.8k ?
GND
GND
Figure 7. Stand-Alone 3-Cell NiMH or NiCd Battery Charger
Figure 7 shows the MAX1501 as a stand-alone
NiMH/NiCd battery charger. Connecting SELV to GND
sets the charge termination voltage to 4.5V.
Figure 8 shows the MAX1501 as a μP-based
NiMH/NiCd battery charger. Connecting SELV to VL
sets the charge regulation voltage at 4.95V. Connect a
100k ? pullup resistor from ACOK to the logic supply
voltage of the μP. The logic supply voltage must be
less than 5.5V.
Figure 8. μP-Based NiMH or NiCd Battery Charge
Figure 9 shows the MAX1501 as a μP-based single Li+ or
3-cell NiMH/NiCd charger. The states of MODE and
CHGEN set the operating mode of the MAX1501 (Table 1).
Connect a 100k ? pullup resistor from ACOK to the logic
supply voltage of the μP. The logic supply voltage must be
less than 5.5V.
Figure 10 shows the MAX1501 as an accurate current-
limited low-dropout linear regulator with input overvolt-
age protection (no-battery mode). The output voltage
regulates to 4V, regardless of the state of SELV.
Connect MODE to VL to enable the linear regulator.
4V
AC
ADAPTER
1 μ F
4.75V TO 6.5V
IN
INP
BATT
4.1V 1-CELL Li+ OR
4.5V 3-CELL NiMH/NiCd
10 μ F
Connect MODE to GND to put the device into shut-
down. R SETI sets the maximum output current.
4.5V TO 6.5V
IN
BATT
MAX1501/MAX1501Z
1 μ F
INP
GLED
10 μ F
GLED
RLED
V I/O
100k ?
RLED
VL
MAX1501/MAX1501Z
VL
μ P
ACOK
CHGEN
MODE
FULLI
TMAX/I.C.
SELV
FULLI
TEMP
TMAX/I.C.
CHGEN
MODE
OFF
ON
SETI
TEMP
ACOK
2.8k ?
GND
GND
CURRENT-LIMIT
SETI
SELV
ADJUST
UP TO 1.4A
GND
GND
Figure 9. μP-Based Single Li+/3-Cell NiMH/NiCd Battery
Charger
Figure 10. Input Overvoltage-Protected and Current-Limited
Low-Dropout Linear Regulator
14
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