Electronicdesign 2445 Xl 01 Texas Instruments 3

Battery Chargers Handle 5V To 28V Apps

March 29, 2010
The bq24600, bq24610, and bq24617 switch-mode standalone battery charger ICs address lithium batteries within applications requiring a 5V to 28V input

The bq24600, bq24610, and bq24617 switch-mode standalone battery charger ICs address lithium batteries within applications requiring a 5V to 28V input. The devices offer a constant-frequency synchronous switching pulse-width modulation controller and charge the battery in three phases: preconditioning, constant current, and constant voltage. A programmable charge timer provides a safety backup. Other features include a greater than 99% charge voltage and current accuracy and dynamic power management. Prices range from $2.60 to $2.90 each/1,000. TEXAS INSTRUMENTS INC., Dallas, TX. (800) 477-8924.

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