Datasheet

V_Out

CTRL_Pulses

Test Summary

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Figure 2. Pulse Programming – CH2: 11 pulses; CH1: V

OUT

IR change due to increased charge current.

Figure 3. Battery cell Replacement – Allows quick battery adjustment

The P/S input to the right sets the BAT+ to BAT– voltage one diode drop below V_P/S,

R1 and R2 typically sink more than the charge current allowing the BAT+ voltage to drop unless pulled up

by the P/S source thus allowing the P/S to set the battery voltage.

If a higher charge current is required, then a lower resistance is needed to adjust the battery voltage

lower.

1A, Single Cell LiFePO

Linear Battery Charger with 4.9 V, 50 mA LDO SLVU473– May 2011

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