Smart Earbuds Case Charger

This solution from Renesas is highly efficient at light loads and very well-suited for applications like earbud case charging

Image of Renesas' Smart Earbuds Case ChargerThe smart wireless earbuds market is growing at an impressive rate. Renesas’ winning combination smart earbuds case charger reference design is optimized for compact and low-power applications, this design incorporates the P9222-R, an integrated single-chip wireless power receiver IC. It is highly efficient at light loads and very well-suited for applications like earbuds case charging.

Features
  • RL78/G13 MCU
    • Provides a low power but flexible control unit
    • General-purpose microcontroller family with low power, high function, and a large lineup
  • ISL6146 ORing FET controller
    • Low voltage ORing FET controllers
  • ISL9205D Li-ion battery charger
    • A complete charger for single-cell Li-ion/polymer batteries
    • Integrated single-cell Li-ion or Li-polymer chargers capable of operating at an input voltage as low as 2.5 V
  • ISL9120 buck-boost regulator
    • Compact, high-efficiency buck-boost regulator

RL78/G13 Microcontrollers

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC MCU 16BIT 16KB FLASH 24HWQFNR5F1007AANA#U0IC MCU 16BIT 16KB FLASH 24HWQFN0View Details
IC MCU 16BIT 32KB FLASH 24HWQFNR5F1007CANA#U0IC MCU 16BIT 32KB FLASH 24HWQFN0View Details
IC MCU 16BIT 64KB FLASH 24HWQFNR5F1007EANA#U0IC MCU 16BIT 64KB FLASH 24HWQFN0View Details

ISL9205D Li-ion Battery Charger

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC BATT CHG LI-ION 1CELL 10DFNISL9205DIRZIC BATT CHG LI-ION 1CELL 10DFN415 - ImmediateView Details

ISL6146 ORing FET Controllers

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC OR CTRLR N+1 8DFNISL6146AFRZIC OR CTRLR N+1 8DFN331 - ImmediateView Details
IC OR CTRLR N+1 8DFNISL6146AFRZ-T7AIC OR CTRLR N+1 8DFN116 - ImmediateView Details
IC OR CTRLR N+1 8MSOPISL6146AFUZIC OR CTRLR N+1 8MSOP1000 - ImmediateView Details

ISL9120 Buck-Boost Regulators

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC REG BCK BST ADJ 800MA 9WLCSPISL9120IIAZ-T7AIC REG BCK BST ADJ 800MA 9WLCSP0View Details
IC REG BCK BST 3.3V 800MA 9WLCSPISL9120IINZ-T7AIC REG BCK BST 3.3V 800MA 9WLCSP0View Details
IC REG BCK BST ADJ 800MA 12TQFNISL9120IRTAZ-T7AIC REG BCK BST ADJ 800MA 12TQFN23 - ImmediateView Details
Published: 2020-08-07