BQ24157SYFFT TI Battery Charger IC | 20-DSBGA | I2C, 4.5V-10V Input

Product Overview

The BQ24157SYFFT is a highly integrated, I2C-controlled, single-cell Li-Ion battery charger from Texas Instruments. It operates from a wide input voltage range of 4.5V to 10V and is designed for space-constrained portable applications. The device features a 20-ball DSBGA package (0.4mm pitch) and supports USB OTG (On-The-Go) with 5V boost output up to 500mA. It integrates power FETs, current sensing, and thermal regulation, providing a complete charging solution with minimal external components.

Detailed Technical Specifications

Key Features

• High efficiency: up to 93% buck charger
• I2C programmable charge current, termination current, and input current limit
• USB OTG boost mode with 5V/500mA output
• Integrated power FETs and current sensing resistor
• Thermal regulation and protection
• NTC thermistor input for battery temperature monitoring
• 20-ball DSBGA package for compact designs

Target Applications

• Smartphones and tablets
• Portable medical devices (e.g., blood glucose meters)
• Wearable electronics (e.g., smartwatches)
• Bluetooth headsets and speakers
• Handheld gaming consoles
• 5G base station monitoring modules
• Automotive dashboard infotainment systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for BQ24157SYFFT. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

BQ24157SYFFT 是德州儀器 (TI) 推出的一款高度集成的 I2C 控制單節鋰離子電池充電器。它支持 4.5V 至 10V 的寬輸入電壓範圍，專為空間受限的便攜式應用設計。該器件採用 20 球 DSBGA 封裝（0.4mm 間距），並支持 USB OTG（On-The-Go）功能，可提供高達 500mA 的 5V 升壓輸出。它集成了功率 FET、電流檢測和熱調節功能，以最少的外部元件提供完整的充電解決方案。

詳細技術參數

核心特性

• 高效率：降壓充電效率高達 93%
• I2C 可編程充電電流、終止電流和輸入電流限制
• USB OTG 升壓模式，5V/500mA 輸出
• 集成功率 FET 和電流檢測電阻
• 熱調節和保護
• NTC 熱敏電阻輸入，用於電池溫度監控
• 20 球 DSBGA 封裝，適合緊湊設計

典型應用場景

• 智能手機和平板電腦
• 便攜式醫療設備（例如血糖儀）
• 可穿戴電子設備（例如智能手錶）
• 藍牙耳機和揚聲器
• 手持遊戲機
• 5G 基站監控模塊
• 汽車儀表盤信息娛樂系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 BQ24157SYFFT 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]