LQM2HPN1R5MG0L

Product Summary

The LQM2HPN1R5MG0L is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications. The charge parameters can be programmed through an I2C interface. The LQM2HPN1R5MG0L integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current and voltage regulation, and charge termination, into a small WCSP package. The applications of the LQM2HPN1R5MG0L include Mobile and Smart Phones, MP3 Players, Handheld Devices.

Parametrics

LQM2HPN1R5MG0L absolute maximum ratings: (1)VSS supply voltage range: –0.3 to 20V; (2)VI Input voltage range: –0.3 to 7V; (3)Output voltage range: –0.3 to 20V; (4)Voltage difference between CSIN and CSOUT inputs (V(CSIN) -V(CSOUT) ): ±7V; (5)Output sink STAT: 10mA; (6)IO Output current (average) SW: 1.25A; (7)TA Operating free-air temperature range: –40 to 85℃; (8)TJ Junction temperature: –40 to 150℃; (9)Tstg Storage temperature: –65 to 150℃; (10)ESD Human body model at VBUS, PMID, STAT(2) (3): 800V.

Features

LQM2HPN1R5MG0L features: (1)Charge Faster than Linear Chargers; (2)High-Accuracy Voltage and Current Regulation; (3)High-Efficiency Mini-USB/AC Battery Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs; (4)20-V Absolute Maximum Input Voltage Rating; (5)6-V Maximum Operating Input Voltage; (6)Built-In Input Current Sensing and Limiting; (7)Integrated Power FETs for Up To 1.25A Charge Rate; (8)Synchronous Fixed-Frequency PWM Controller Operating at 3 MHz with 0% to 99.5% Duty Cycle; (9)Automatic High Impedance Mode for Low Power Consumption; (10)Safety Timer with Reset Control; (11)Reverse Leakage Protection Prevents Battery Drainage; (12)Thermal Regulation and Protection; (13)Input/Output Overvoltage Protection; (14)Status Output for Charging and Faults; (15)USB Friendly Boot-Up Sequence; (16)Automatic Charging; (17)Power up System without Battery.

Diagrams