Technical data

Hardware and Firmware

Firmware Description

DRM043/D — Rev 0 Designer Reference Manual

MOTOROLA Hardware and Firmware 15

The battery is announced charge full and charging power is cut off when

the charging current is less than 75mA.

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* Check Battery voltage valid (ADC3)

* VrefH = 4.40V

*-------------------------------------------------------------------

* Battery(V) 1.0V 2.5V 4.0V 4.1V 4.2V

* VOLTAGE $3A $91 $E7 $EE $F4

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2.3.4 Safety protection

During charging, either in trickle charge, constant current charge or

constant voltage charge, whenever found battery's voltage, current or

temperature is out of range, the charger will cut of the charging power.

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* Check Temperature

* R pull-up = 10Kohm (1%), VrefH = 4.40V

*-----------------------------------------------------------------------------------

* T (degC) 50 45 40 25 10 0 -5

* R NTC(K) 3.63 4.40 5.356 10 19.85 32.33 42.81

* Tsense(V) 1.17 1.34 1.53 2.2 2.92 3.36 3.57

* Tsense $44 $4E $59 $7F $A9 $C2 $CF

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Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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