{"product_id":"54b9-54b4-54b-lithium-battery-charger-power-management-ic","title":"54b9 54b4 54b Lithium Battery Charger Power Management IC","description":"\u003cp\u003e54b9 54b4 54b TP4054-42-SOT25R chip provides a stable 5V\/3.3V power supply to the internal MCU and signal circuits of the ECU. Chip failure directly causes abnormal power supply to the vehicle control unit, leading to issues such as the ECU failing to power up, intermittent restarts, instrument cluster reporting faults across multiple modules, communication failures, and intermittent engine stalling.\u003c\/p\u003e","brand":"ECUFIXTOOL","offers":[{"title":"54b9 54b4 54b TP4054-42-SOT25R","offer_id":47717214224533,"sku":"EU3428","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0531\/9137\/7045\/files\/54b9.jpg?v=1786590238","url":"https:\/\/www.ecufixtool.com\/products\/54b9-54b4-54b-lithium-battery-charger-power-management-ic","provider":"ECUFIXTOOL","version":"1.0","type":"link"}