MAX17006B

19-4576; Rev 0; 4/09 www.DataSheet4U.com KIT ATION EVALU E L B AVAILA 1.2MHz, Low-Cost, High-Performance Chargers General Description Features o High Switching Frequency (1.2MHz) o Controlled Inductor Current-Ripple Architecture Reduced BOM Cost Small Inductor and Output Capacitors o ±0.4% Accurate Charge Voltage o ±2.5% Accurate Input-Current Limiting o ±3% Accurate Charge Current o Single-Point Compensation o Monitor Outputs for ±2.5% Accurate Input Current Limit ±2.5% Battery Discharge Current (MAX17015B Only) AC Adapter Detection o Analog/PWM Adjustable Charge-Current Setting o Battery Voltage Adjustable for 3 and 4 Cells (MAX17005B) or 2 and 3 Cells (MAX17006B) o Adjustable Battery Voltage (4.2V to 4.4V/Cell) o Cycle-by-Cycle Current Limit Battery Short-Circuit Protection Fast Response for Pulse Charging Fast System-Load-Transient Response o Programmable Charge Current < 5A o Automatic System Power Source Selection with n-Channel MOSFET o Internal Boost Diode o +8V to +26V Input Voltage Range MAX17005B/MAX17006B/MAX17015B The MAX17005B/MAX17006B/MAX17015B are high-frequency multichemistry battery chargers. These circuits feature a new high-frequency current-mode architecture that significantly reduces component size and cost*. The charger uses a high-side MOSFET with n-channel synchronous rectifier. Widely adjustable charge current, charge voltage, and input current limit simplify the construction of highly accurate and efficient chargers. The charge voltage and char...