BQ24600RVAT Power Path Management IC Battery Management Standalone Synch Sw- mode Charge Cntrlr
power management integrated circuit
,microchip battery management
BQ24600RVAT Power Path Management IC Battery Management Standalone Synch Sw- mode Charge Cntrlr
1 Features
- 1.2-MHz NMOS-NMOS Synchronous Buck Converter
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Stand-Alone Charger Support for Li-Ion or Li- Polymer
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5-V – 28-V VCC Input Voltage Range and Supports 1S-6S Battery Cells
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Up to 10-A Charge Current and Adapter Current
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High-Accuracy Voltage and Current Regulation
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– ±0.5% Charge-Voltage Accuracy
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– ±3% Charge-Current Accuracy
-
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Integration
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– Internal Loop Compensation
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– Internal Soft Start
-
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Safety
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– Input Overvoltage Protection
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– Battery Thermistor Sense Hot/Cold Charge Suspend
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– Battery Detection
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– Built-In Safety Timer
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– Charge Overcurrent Protection
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– Battery Short Protection
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– Battery Overvoltage Protection
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– Thermal Shutdown
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Status Outputs
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– Adapter Present
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– Charger Operation Status
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Charge Enable Pin
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6-V Gate Drive for Synchronous Power Converter
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30-ns Driver Dead-Time and 99.5% Max. Effective Duty Cycle
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16-Pin 3.5-mm × 3.5-mm QFN package
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Energy Star Low Quiescent Current Iq
2 Applications
• Portable Equipment Handle Terminals
• Industrial and Medical Equipment
• Power Tools Appliance
• Mobile Internet Device, and Ultra-Mobile PC
3 Description
The bq24600 is a highly integrated Li-ion or Li- polymer switch-mode battery-charge controller. It offers a constant-frequency synchronous PWM controller with high-accuracy charge current and voltage regulation, charge preconditioning, termination, and charge status monitoring,
The bq24600 charges the battery in three phases: preconditioning, constant current, and constant voltage. Charge is terminated when the current reaches a minimum level. An internal charge timer provides a safety backup. The bq24600 automatically restarts the charge cycle if the battery voltage falls below an internal threshold, and enters a low- quiescent-current sleep mode when the input voltage falls below the battery voltage.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
bq24600 |
VQFN (16) |
3.50 mm x 3.50 mm |
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