4

bq2007

Fast Charging

Top-Off

(Optional)

TD200701.eps

Dis-

charge

(Optional)

Charge

Pending

(Pulse-Trickle)

DIS

MOD

MOD

Mode 1, LED2 Status Output

Charge initiated. Battery outside temperature/voltage limits.

or

Battery discharged to VEDV or battery within

temperature/voltage limits. (Discharge-before-charge not

qualified by temperature.)

Pulse-Trickle

(Switching

Configuration)

(External

Regulation)

Mode 1, LED1 Status Output

Mode 2, LED2 Status Output

Mode 2, LED1 Status Output

Mode 3, LED2 Status Output

260 s

2080 s

260 s

2080 s

260 s

Note

260 s

Note

Note: See Table 4 for pulse-trickle period.

Mode 3, LED1 Status Output

Low-voltage fault: Battery voltage less than VEDV for under-voltage time-out.

Figure 1. Example Charging Action Events