BQ24297 I2C Single-Cell USB Charger

Specifications

Product Overview

The BQ24297 integrates narrow VDC power path management for instant system-on and battery supplement mode. It supports 1-cell Li-Ion and Li-polymer batteries with 3 A charge current.

USB detection includes D+/D- per BC1.2. USB OTG provides adjustable 4.55 V to 5.5 V output at 1 A or 1.5 A. The device is in a 24-pin VQFN, 4.00 mm x 4.00 mm package.

Key Features

• 3 A switch-mode charger
• Narrow VDC power path
• USB BC1.2 detection
• USB OTG (4.55-5.5 V)
• 6.4 V OVP
• 1.5 MHz switching
• 90% efficiency
• I2C control
• Thermal regulation at 120°C

Typical Applications

• Single-cell USB charging
• Li-Ion/Polymer battery systems
• USB OTG power output
• Power path managed devices

Procurement Notes

When requesting a quote for BQ24297, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.

If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.

For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.