TPS65010RGZ datasheet(39/50 Pages) TI

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CHGSTATUS Register (Address: 01h—Default Value: 00h)

TPS65010

SLVS149A – JUNE 2003 – REVISED JANUARY 2004

CHGSTATUS

Name

USB charge

AC charge

Thermal

Term Current

Taper

Chg Timeout

Prechg

BattTemp

Suspend

Timeout

error

Default

Read/write

R/W

The CHGSTATUS register contents indicate the status of charge.

Bit 7 - USB charge:

•

0 = inactive.

•

1 = USB source is present and in the range valid for charging. B7 remains active as long as the charge

source is present.

Bit 6 - AC charge:

•

0 = wall plug source is not present and/or not in the range valid for charging.

•

1 = wall plug source is present and in the range valid for charging. B6 remains active as long as the charge

source is present.

Bit 5 - Thermal suspend:

•

0 = charging is allowed

•

1 = charging is momentarily suspended due to excessive power dissipation on chip.

Bit 4 - Term current:

•

0 = charging, charge termination current threshold has not been crossed.

•

1 = charge termination current threshold has been crossed and charging has been stopped. It can be due to

a battery reaching full capacity, or it can be due to a battery removal condition.

Bit 3 - 1 Prechg Timeout, Chg Timeout, Taper Timeout:

•

0 = charging

•

1 = one of the timers has timed out and charging has been terminated.

Bit 0 - BattTemp error: Battery temperature error

•

0 = battery temperature is inside the allowed range and that charging is allowed.

•

1 = battery temperature is outside of the allowed range and that charging is suspended.

B1-4 may be reset via the serial interface in order to force a reset of the charger. Any attempt to write to B0 and

B5-7 is ignored. A 1 in B<7:0> sets the INT pin active unless the corresponding bit in the MASK register is set.

TPS65010RGZ Datasheet(PDF) 39 Page - Texas Instruments

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