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BQ25790

Texas Instruments
Part Number BQ25790
Manufacturer Texas Instruments
Description Buck-Boost Battery Charger
Published Aug 3, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community BQ25790 SLUSDF9 – JUNE 2020 BQ257...
Datasheet PDF File BQ25790 PDF File

BQ25790
BQ25790


Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community BQ25790 SLUSDF9 – JUNE 2020 BQ25790 I2C Controlled, 1-4 Cell, 5-A Buck-Boost Battery Charger with Dual-Input Selector and USB PD 3.
0 OTG Output 1 Features •1 High efficient synchronous Switch Mode buckboost charger for 1-4 cell battery – 750-kHz and 1.
5-MHz Programmable switching frequencies – Efficiency optimized for charging 2s battery, 96.
5% efficiency with 9-V input and 94.
5% efficiency with 15-V input at 3-A ICHG – Charging current up to 5 A with 10-mA resolution • Support wide range of input sources – 3.
6-V to 24-V Wide input operating voltage range with 30-V absolute maximum rating – Maximum power tracking with VINDPM up to 22 V and IINDPM up to 3.
3 A – Detect USB BC1.
2, SDP, CDP, DCP, HVDCP and non-standard adapters • Dual-input power mux controller for source selection • High level integration – Four switching MOSFETs and BATFET – Input current and charging current sensing • Narrow-VDC (NVDC) Power Path management • Power USB port from battery (USB OTG) – 2.
8-V to 22-V OTG output voltage with 10-mV resolution to support USB-PD PPS – OTG Output current regulation up to 3.
32 A with 40-mA resolution • Flexible autonomous and I2C mode for optimal system performance • Integrated 16-bit ADC for voltage, current and temperature monitor • Low battery quiescent current – Typical 21-µA at battery only operation – Typical 600 nA in Charger Shutdown Mode • High accuracy – ±0.
5% Charge voltage regulation for 2s battery – ±5% Charge current regulation – ±5% Input current regulation • Safety – Thermal regulation and thermal shutdown – Input/battery OVP and OCP – Converter MOSFETs OCP – Charging safety timer 1 • Package – 56-Pin 2.
9mm × 3.
3mm WCSP 2 Applications • Smartphone, Tablet, Drone • Wireless speaker, Digital Camera • Mobile printer, Electronic point of sales (EPOS) 3 Description The BQ25790 is a fully integrated switch-mode buckboost charger for 1-4 cell Li-ion battery and L...


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