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The RT9480 is a high integration and easy to use power solution for Li-ion power bank and other powered handheld applications. We call it EZPBS® (Easy to Use Power Bank Solution). This single chip includes a linear charger, a synchronous Boost with dual output load management and a torch function support. The battery volume and the state of charging and discharging can be indicated by 4LEDs. The RT9480 is available in the WQFN-24L 4x4 package.

Applications

  • Li-ion Power Bank
Key Spec.
RT9480
Status NRND
Vin (min) (V) 2.8
Vin (max) (V) 5.5
Battery Charge Voltage (max) (V) 4.2
Battery Charge Current (max) (A) 1.2
Status Indicator No
Charger Type Linear
Input Source USB
Features OCP;OVP;SCP;UVP
Package Type WQFN4x4-24
Built-in Power MOSFETs Yes
Features
    EZPBSTM (Easy to Use Power Bank Solution)
  • Compact BOM Elements with EZPBSTM Single Chip
  • Protection Functions (OTP, OVP, OCP, VBUS and Output Short Protection)
  • Support Charging and Discharging at the same time by Smart Algorithm

    Charger
  • One Linear Charger up to 1.2A
  • DPM Function (Dynamic Power Management)
  • Thermal Regulation
  • Auto-Recharge
  • Support JEITA Function

    USB Output
  • Support Dual USB Output
  • Auto and Button Control
  • Sync-Boost Total Output Current up to 2.5A
    ► Peak Efficiency 97%

  • Battery State of Charge (SOC) Indicator
  • Battery SOC Detection
  • Support NTC for Battery Temperature Sensing
  • 4LEDs for Battery SOC Display

  • Other Functions
  • Torch Functions
Additional Documents
Title Last Update ShareDownload
Power Management Components for Lithium-Ion Battery Powered Applications
鋰離子電池電源管理IC選擇指南 		2020/12/07
Dual Output Power Bank Reference Design Using RT9480 EZPBS™ Integrated Chip
双输出移动电源参考设计源档 – 采用 RT9480 EZPBS™芯片 		2020/12/07
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT9480GQW Digikey 0 Lead-Time: 14 weeks
Mouser 0 Lead-Time: 14 weeks
Please confirm with our distributor or sales representative for actual stock status.
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