Datasheet

bq24616
www.ti.com SLUSA49B –APRIL 2010– REVISED OCTOBER 2011
Table 2. Typical Inductor, Capacitor, and Sense Resistor Values as a Function of Charge Current for
bq24616 (600 kHz Switching Frequency)
CHARGE CURRENT 2A 4A 6A 8A 10A
Output inductor L
O
6.8 μH 6.8 μH 4.7 μH 3.3 μH 3.3 μH
Output capacitor C
O
20 μF 20 μF 30 μF 40 μF 40 μF
Sense resistor 10 mΩ 10 mΩ 10 mΩ 10 mΩ 10 mΩ
Charge Status Outputs
The open-drain STAT1 and STAT2 outputs indicate various charger operations as shown in the Table 3. These
status pins can be used to drive LEDs or communicate with the host processor. Note that OFF indicates that the
open-drain transistor is turned off.
Table 3. STAT Pin Definition for bq24616
CHARGE STATE STAT1 STAT2
Charge in progress ON OFF
Charge complete OFF ON
Charge suspend, timer fault, AC over-voltage, sleep mode, battery absent OFF OFF
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