参数资料
型号: SC804
厂商: Semtech Corporation
英文描述: Fully Integrated Lithium-Ion Battery Charger System with Timer
中文描述: 完全集成的锂离子电池充电器系统的计时器
文件页数: 8/21页
文件大小: 548K
代理商: SC804
16
2007 Semtech Corp.
www.semtech.com
SC804
PRELIMINARY
POWER MANAGEMENT
Typical Charge Cycle
Evaluation Board congured for internal timer, 1.5V on IPRGM = 810mA, 1.5V on ITERM = 300mA, VCC = 5.0V, Li-Ion battery capacity =
1000mAh. A 70mA battery load was applied after initial charge timeout, and removed during the recharge cycle prior to termination.
(a) Constant Current (CC) Charging (Fast Charge); (b) Constant Voltage (CV) Charging; (c) Termination; (d) Float Charging; (e) Timer Expiration;
(f) Slow Battery Discharge; (g) Recharge; (h) Termination.
Time, hours
Volts
Typical Charge Cycle
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
(a)
(b
(c)
(d)
Battery Voltage
(f)
(h)
(g)
(e)
ITERM Voltage
IPRGM Voltage
CHRGB Voltage
ITERM Voltage
CHRGB Voltage
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