參數(shù)資料
型號: TPS65920A2ZCHR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA139
封裝: 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件頁數(shù): 54/115頁
文件大?。?/td> 1232K
代理商: TPS65920A2ZCHR
SWCS037G
– MAY 2008 – REVISED APRIL 2011
4.1.9
Charge Pump
The charge pump generates a 4.8-V (nominal) power supply voltage from the battery to the VBUS pin.
The input voltage range is 2.7 to 4.5 V for the battery voltage. The charge pump operating frequency is
1 MHz.
The charge pump tolerates 7 V on VBUS when it is in power-down mode. The charge pump integrates a
short-circuit current limitation at 450 mA. Table 4-11 lists the charge pump output load conditions.
Table 4-11. Charge Pump Output Load Conditions
Parameter
Test Conditions
Min
Typ
Max
Unit
Output Load Conditions
Filtering capacitor
Connected from VBUS to VSSP
1.41
4.7
6.5
μF
Flying capacitor
Connected from CP to CN
1.32
2.2
3.08
μF
Filtering capacitor ESR
20
m
Copyright
2008–2011, Texas Instruments Incorporated
Power Module
43
focus.ti.com: TPS65930/TPS65920
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