TI BQ24075RGTR

锂离子1.5A-40°C ~ 125°C（TJ）

Overview

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The battery is charged in three phases: conditioning, constant current, and constantvoltage. In all charge phases, an internal control loop monitors the IC junction temperature andreduces the charge current if the internal temperature threshold is exceeded. The charger powerstage and charge current sense functions are fully integrated. The charger function has highaccuracy current and voltage regulation loops, charge status display, and charge termination. Theinput current limit and charge current are programmable using external resistors.

Features

• Fully compliant USB charger

• Proprietary start-up sequence limits inrush current

• Status indication – charging/done, power good

• Safety-Related Certification:

  -IEC 62368-1 Certification (BQ24072)

• 28-V Input rating with overvoltage protection

• Integrated dynamic power path management (DPPM) functions simultaneously and independently to power the system and charges the battery

• Supports up to 1.5-A charge current with current monitoring output (ISET)

• Programmable input current limit up to 1.5 A for wall adapters

• System output tracks battery voltage (BQ24072)

• Programmable termination current (BQ24074)

• Battery disconnect function with SYS OFF input (BQ24075, BQ24079)

• Programmable pre-charge and fast-charge safety timers

• Reverse current, short-circuit and thermal protection

• NTC thermistor input

Applications

• Motor control

• Decoupling or bypassing

• To reduce power noise & signal noise

• Motor start

• Frequency converters