AS3715 datasheet(137/159 Pages) AMSOSRAM

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Page 136

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[v1-03] 2015-Aug-10

AS3715 − Register Description

Figure 164:

ChargerStatus2

Figure 165:

T1_adjust

Addr:87h

ChargerStatus2

Bit

Bit Name

Default

Access

Bit Description

usb_prot_ready_deb

Bit indicates, that the USB input voltage protection

xoff is precharged to a voltage>7.5V

xoff is pull to GND if an overvoltage on VUSB is

detected

6:4

temp_cond

Indicates temperature condition

0h : Battery is in typical condition

1h : Battery is in cold condition (0degC condition -

bat low)

2h : Battery is in cool condition

3h : Battery is in warm condition

4h : Battery is in hot condition (60degC condition -

bat high)

3batsw2_on

Bit indicates the status of the battery switch

batsw2_on batsw2_mode

0 0 External Battery switch open

0 1 External Battery switch open with ideal diode,

ref_ok=1

1 0 Charging mode

1 1 External Battery switch closed

2batsw2_mode

1batsw_on

Bit indicates the status of the battery switch

batsw_on batsw_mode

0 0 Internal Battery switch open

0 1 Internal Battery switch open with ideal diode,

ref_ok=1

1 0 Charging mode

1 1 Internal Battery switch closed

0batsw_mode

Addr:88h

T1_adjust

Bit

Bit Name

Default

Access

Bit Description

5:0

T1_adj

d11

The adjust bits set the trigger point T1lim_upper for the

temperature comparator according the specified beta of the

NTC-resistor

00h-3fh : T1lim_upper=T1min+T1_adj*7mV

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