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MAX8606

Maxim Integrated Products
Part Number MAX8606
Manufacturer Maxim Integrated Products
Description Li+ Linear Battery Charger
Published Jul 2, 2007
Detailed Description 19-3795; Rev 0; 8/05 KIT ATION EVALU E L B A IL AVA USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50mΩ Ba...
Datasheet PDF File MAX8606 PDF File

MAX8606
MAX8606

Overview
19-3795; Rev 0; 8/05 KIT ATION EVALU E L B A IL AVA USB/AC Adapter, Li+ Linear Battery Charger with Integrated 50mΩ Battery Switch in TDFN General Description The MAX8606 complete 1-cell Li+ battery charge-management IC operates from either a USB port or AC adapter.
It integrates a battery disconnect switch, current-sense circuit, PMOS pass element, and thermalregulation circuitry, while eliminating the external reverse-blocking Schottky diode, to create a simple and small charging solution.
The charging sequence initiates from power-OK indication, through prequalification, fast-charge, top-off charge, and finally charging-complete indication for single-cell Li+ batteries.
Charging is controlled using constant current, constant voltage, or constant die-temperature (CCCVCTJ) regulation for safe operation in handhelds.
Two logic inputs (EN1 and EN2) select suspend mode, 100mA, 500mA, or ≤1A input current limits to suit USB requirements.
Proprietary thermal-regulation circuitry limits the die temperature to +100°C to prevent excessive heat on the system PC board.
Additional safety features include an NTC thermistor input (THM) and internal timers to protect the battery.
A 3.
5V to 4.
2V SYS output, in conjunction with the low-R DSON battery switch, powers the system even when the battery is www.
DataSheet4U.
com deeply discharged or not installed.
The IC also offers a +3.
3V/500µA output (VL), a charging status flag (CHG), and an input-supply detection flag ( POK ).
The MAX8606 operates from a +4.
25V to +5.
5V supply and includes undervoltage lockout below +3.
4V and overvoltage protection up to +14V.
Features ♦ Small 3mm x 3mm Thermally Enhanced TDFN Package (0.
8mm max height) ♦ USB-Compliant Suspend Mode (20µA) ♦ Selectable 100mA, 500mA, and Up to 1A Input Current Limits ♦ USB or AC Adapter Input ♦ +6V to +14V Input Overvoltage Protection ♦ Input UVLO Below +4V Rising (3.
5V Falling) ♦ Automatic Current Sharing Between Battery Charging and System ♦ Die Temperature Regulat...


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