TPS658621A_1 datasheet(35/107 Pages) TI

номер детали	TPS658621A

подробное описание детали	Advanced Power Management Unit

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TPS658621A

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SLVSA58 – DECEMBER 2009

If the system current requirements exceed the input current limit, the SYS pin voltage will be reduced until

the power path is set in supplement mode (if pack is connected).

3.18 SYSTEM STATUS DETECTION

The TPS658621A has integrated comparators that monitor the BAT, AC, USB and SYS pin voltages. The

data generated by the comparators is used by the power path control logic to define which of the

integrated power path switches will be active. Table 3-3 lists the system power detection conditions:

Table 3-3. Power Path Detection Functions

SYSTEM STATUS

DETECTION CONDITIONS(1)

AC input voltage detected

VIN(OVP) > V(AC) > V(BAT) + VIN(DT)

USB input voltage detected

VIN(OVP) > V(USB) > V(BAT) + VIN(DT)

AC over-voltage detected

V(AC) > VIN(OVP)

USB over-voltage detected

V(USB) > VIN(OVP)

SYS pin short detected

V(SYS) < VSH(SYS)

Battery switch over-current detection

I(BAT) > IBATSYS

Supplement mode detection

V(SYS)<V(BAT)–VSUP(SYS) AND I(BAT)< IBATSYS

(1)

VIN(DT), VSH(SYS), VBATSH, VIN(OVP), VSUP(SYS) are TPS658621A internal references, refer to the electrical characteristics for additional

details

Figure 3-4. Simplified Power Path Block

DETAILED DESCRIPTION

35

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Аналогичный номер детали - TPS658621A_1

производитель	номер детали	датащи	подробное описание детали
Texas Instruments	TPS658621AZGUR	3Mb / 105P	[Old version datasheet] Advanced Power Management Unit
	TPS658621AZGUR-1	160Kb / 6P	[Old version datasheet] Advanced Power Management Unit
	TPS658621AZGUT	3Mb / 105P	[Old version datasheet] Advanced Power Management Unit
	TPS658621AZGUT-1	160Kb / 6P	[Old version datasheet] Advanced Power Management Unit
	TPS658621A	160Kb / 6P	[Old version datasheet] Advanced Power Management Unit

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Аналогичное описание - TPS658621A_1

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