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参数资料
| 型号： | MAX712CPE |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/17页 |
| 文件大小： | 0K |
| 描述： | IC BATT FASTCHRG NICD/NIMH 16DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 25 |
| 功能： | 充电管理 |
| 电池化学： | 镍镉（NiCd）、镍金属氢化物（NiMH） |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-PDIP |
| 包装： | 管件 |
MAX712/MAX713
NiCd/NiMH Battery
Fast-Charge Controllers
Some battery packs come with a temperature-detect-
IN THERMAL
CONTACT WITH
ing thermistor connected to the battery pack’s negative
terminal. In this case, use the configuration shown in
REF
BATTERY
Figure 9b. Thermistors T2 and T3 can be replaced by
HOT
THI
R3
T1
standard resistors if absolute temperature charge cut-
off is acceptable. All resistance values in Figures 9a
and 9b should be chosen in the 10k Ω to 500k Ω range.
+2.0V
C OLD
TEMP
R4
0.022 μ F
R5
AMBIENT
TEMPERATURE
T2
__________Applications Information
Battery-Charging Examples
Figures 13 and 14 show the results of charging 3 AA,
1000mAh, NiMH batteries from Gold Peak (part no.
TLO
GP1000AAH, GP Batteries (619) 438-2202) at a 1A rate
using the MAX712 and MAX713, respectively. The
MAX712
MAX713
BATT-
AMBIENT
T3
0.022 μ F
1 μ F
Typical Operating Circuit is used with Figure 9a ’s
thermistor configuration .
DC IN = Sony AC-190 +9VDC at 800mA AC-DC adapter
PGM0 = V+, PGM1 = REF, PGM2 = REF, PGM3 = REF
R1 = 200 Ω , R2 = 150 Ω , R SENSE = 0.25 Ω
TEMPERATURE
NOTE: FOR ABSOLUTE TEMPERATURE CHARGE CUTOFF, T2 AND T3 CAN BE
REPLACED BY STANDARD RESISTORS.
C1 = 1μF, C2 = 0.01μF, C3 = 10μF, V LIMIT = REF
R3 = 10k Ω , R4 = 15k Ω
T1, T2 = part #14A1002 (Alpha Sensors: 858-549-4660) R5
omitted, T3 omitted, TLO = BATT-
Figure 9a. Temperature Comparators
AMBIENT
REF
TEMPERATURE
T2
11
HOT
THI
R5
R3
10
HIGH PEAK
9
+2.0V
TEMP
C OLD
1 μ F
8
120Hz RIPPLE
TLO
0.022 μ F 0.022 μ F
R4
7
LOW PEAK
MAX712
MAX713
T1
T3
6
BATT-
0
200
400
600
800
1000
IN THERMAL
CONTACT WITH
AMBIENT
TEMPERATURE
LOAD CURRENT (mA)
BATTERY
NOTE: FOR ABSOLUTE TEMPERATURE CHARGE CUTOFF, T2 AND T3 CAN BE
REPLACED BY STANDARD RESISTORS.
Figure 9b. Alternative Temperature Comparator Configuration
Maxim Integrated
Figure 10. Sony Radio AC Adapter AC-190 Load Characteristic,
9VDC 800mA
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX712CPE+ | 功能描述:电池管理 NiCd/NiMH Battery Fast-Charge Ctlr 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 |
| MAX712CSE | 功能描述:电池管理 NiCd/NiMH Battery Fast-Charge Ctlr 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 |
| MAX712CSE+ | 功能描述:电池管理 NiCd/NiMH Battery Fast-Charge Ctlr 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 |
| MAX712CSE+T | 功能描述:电池管理 NiCd/NiMH Battery Fast-Charge Ctlr 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 |
| MAX712CSE-C70728 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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