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BQ25606RGER 3A Fast Charger IC with 3.9V-14V Input I2C Control 30V OVP NVDC Power Path 3mm×3mm QFN 92% Efficiency Integrated MOSFETs & Thermal Regulation
Features
• High-efficiency, 1.5-MHz, synchronous switch mode buck charger
– 92% charge efficiency at 2-A from 5-V input
– Optimized for USB voltage input (5 V)
• Supports USB On-The-Go (OTG)
– Boost converter with up to 1.2-A output
– 92% boost efficiency at 1-A output
– Accurate constant current (CC) limit
– Soft-start up to 500-µF capacitive load
– Output short circuit protection
• Single input to support USB input and high voltage adapters
– Support 3.9-V to 13.5-V input voltage range with 22-V absolute maximum input voltage rating
– Maximum power tracking by input voltage limit up to 4.6 V (VINDPM)
– VINDPM threshold automatically tracks battery voltage
– Auto detect USB SDP, DCP and non-standard adaptors
• High battery discharge efficiency with 19.5-mΩ battery discharge MOSFET
• Narrow VDC (NVDC) power path management
– Instant-on works with no battery or deeply discharged battery
– Ideal diode operation in battery supplement mode
• High integration includes all MOSFETs, current sensing and loop compensation
• 58-µA low battery leakage current with system voltage standby
• High accuracy
– ±0.5% charge voltage regulation
– ±6% at 1.2-A and 1.8-A charge current regulation
– ±5% at 0.5-A, 1.2-A and 1.8-A input current regulation
• Safety-Related Certification:
– IEC 62368-1 CB Certification
Applications
• EPOS, Portable speakers
• Mobile phone accessory
• Medical equipment
Description
The BQ25606 is a highly-integrated standalone 3.0 A switch-mode battery charge management and system power path management device for single cell Li-ion and Li-polymer batteries. The solution is highly integrated with input reverse-blocking FET (RBFET, Q1), high-side switching FET (HSFET, Q2), low-side switching FET (LSFET, Q3), and battery FET (BATFET, Q4) between system and battery. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time, and extends battery life during discharging phase.
INFORMATION
| Category | | |
| Manufacturer | Texas Instruments | |
| Series | - | |
| Packaging | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | |
| Part Status | Active | |
| Battery Chemistry | Lithium Ion/Polymer | |
| Number of Cells | 1 | |
| Current - Charging | Constant - Programmable | |
| Programmable Features | - | |
| Fault Protection | Over Temperature, Over Voltage, Short Circuit | |
| Charge Current - Max | 3A | |
| Battery Pack Voltage | 4.4V | |
| Voltage - Supply (Max) | 13.5V | |
| Interface | USB | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Mounting Type | Surface Mount | |
| Package / Case | 24-VFQFN Exposed Pad | |
| Supplier Device Package | 24-VQFN (4x4) | |
| Base Product Number |
Drawing
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