參數(shù)資料
型號: TPS65021RHARG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC40
封裝: 6 X 6 MM, GREEN, PLASTIC, MO-220/VJJD-2, QFN-40
文件頁數(shù): 20/47頁
文件大?。?/td> 1180K
代理商: TPS65021RHARG4
www.ti.com
VCC
DCDC1_EN
tNRESPWRON
V DCDC1
O
V DCDC2
O
V DCDC3
O
RESPWRON
RampWithin800 s
m
RampWithin
800 s
m
RampWithin
800 s
m
RampWithin800 s
m
RampWithin800 s
m
DEFCORE
register
SlopeDepending
OnLoad
GObitin
CON_CTRL2
2.5Vor1.8V
DCDC2_EN
3.3Vor3V
DCDC3_EN
1.3Vor1.55V
DefaultValue
SetHigherOutputVoltageforDCDC3
Programmed
SlewRate
Cleared Automatically
1.3Vor1.55V
AutomaticallySet
toDefaultValue
SERIAL INTERFACE
SLVS613B – OCTOBER 2005 – REVISED JULY 2007
Figure 28. DVS Timing
The serial interface is compatible with the standard and fast mode I2C specifications, allowing transfers at up to
400 kHz. The interface adds flexibility to the power supply solution, enabling most functions to be programmed
to new values depending on the instantaneous application requirements and charger status to be monitored.
Register contents remain intact as long as VCC remains above 2 V. The TPS65021 has a 7-bit address:
1001000, other addresses are available upon contact with the factory. Attempting to read data from the register
addresses not listed in this section results in FFh being read out.
For normal data transfer, DATA is allowed to change only when CLK is low. Changes when CLK is high are
reserved for indicating the start and stop conditions. During data transfer, the data line must remain stable
27
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