Datasheet

bq24600
www.ti.com SLUS891A –FEBRUARY 2010– REVISED OCTOBER 2011
Table 2. Typical Inductor, Capacitor, and Sense Resistor Values as a Function
of Charge Current
Charge Current 2 A 4 A 6 A 8 A 10 A
Output inductor L
O
3.3 μH 3.3 μH 2.2 μH 1.5 μH 1.5 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 STAT outputs indicate various charger operations as shown in 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 bq24600
CHARGE STATE STAT
Charge in progress ON
Charge complete (PG = LOW) OFF
Sleep mode (PG = HIGH) OFF
Charge suspend, timer fault, input overvoltage, battery
BLINK (0.5 Hz)
absent
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