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BQ25713 Datasheet(PDF) 1 Page - Texas Instruments |
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BQ25713 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 111 page  BQ25730 I2C 1- to 5-Cell Buck-Boost Narrow VDC Battery Charge Controller with Power Path Control and USB-C PD 3.0 OTG Output 1 Features • Power path control through battery MOSFET implementing independent system voltage instant- on with no battery or depleted battery • 400kHz/800kHz programmable switching frequency for high efficiency/high power density • Buck-boost narrow voltage DC (NVDC) charger for USB-C Power Delivery (PD) interface platform – 3.5V to 26V input range to charge 1- to 5-cell battery – Charge current up to 16.2A/8.1A with 128mA/ 64mA resolution based on 5mΩ/10mΩ sensing resistor – Input current limit up to 10A/6.35A with 100mA/ 50mA resolution based on 5mΩ/10mΩ sensing resistor – Support USB 2.0, USB 3.0, USB 3.1 and USB Power Delivery (PD) – Input Current Optimizer (ICO) to extract max input power without overloading the adapter – Seamless transition between buck, buck-boost, and boost operations – Input current and voltage regulation (IINDPM and VINDPM) against source overload • TI patented switching frequency dithering pattern for EMI noise reduction • TI patented Pass Through Mode (PTM) for system power efficiency improvement and battery fast charging achieving 99% efficiency. • Input and battery current monitor through dedicated pins • Integrated 8-bit ADC to monitor voltage, current and power • Battery MOSFET ideal diode operation in supplement mode to support system when adapter is fully loaded • Power up USB port from battery (USB OTG) – 3V to 24V OTG with 8mV resolution – Output current limit up to 12.7A/6.35A with 100mA/50mA resolution based on 5mΩ/10mΩ sensing resistor • I2C host control interface for flexible system configuration • High accuracy for the regulation and monitor – ±0.5% Charge voltage regulation – ±3% Charge current regulation – ±2.5% Input current regulation – ±2% Input/charge current monitor • Safety – Thermal shutdown – Input, system, battery overvoltage protection – Input, MOSFET, inductor overcurrent protection • Safety-Related Certifications – IEC 62368-1 CB Certification • Package: 32-Pin 4.0mm × 4.0mm WQFN 2 Applications • Oxygen concentrator, ventilators,vacuum robot • Tablet (multimedia), wireless speaker 3 Description The BQ25730 is a synchronous NVDC buck-boost battery charge controller to charge a 1- to 5-cell battery from a wide range of input sources including USB adapter, high voltage USB-C Power Delivery (PD) sources, and traditional adapters. It offers a low component count, high efficiency solution for space constrained, 1- to 5-cell battery charging applications. The Narrow VDC buck-boost architecture avoid direct power path from input source to system voltage which implements wide input voltage range and narrow system voltage range at same time. Narrow system voltage range is valuable for faster battery supplement and lower MOSFET rating for next stage converter. Device Information PART NUMBER PACKAGE(1) BODY SIZE (NOM) BQ25730 RSN (WQFN 32) 4.00mm × 4.00mm (1) For all available packages, see Section 14. Host (I2C) BQ25730 ACN VBUS HIDRV1 SRN LODRV1 SW1 SW2 LODRV2 HIDRV2 SRP ACP SYS Q1 Q2 Q3 Q4 VBUS 3.5V-26V VSYS /BATDRV Application Diagram BQ25730 SLUSE65A – FEBRUARY 2021 – REVISED JANUARY 2024 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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