BQ25620RYKR

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BQ25620RYKR

IC CONTROLLED 1-CELL 3.5-A BUCK

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規格

Part Status Active
Base Product Number BQ25620
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Timer, Voltage
Fault Protection Over Current, Over Temperature, Over-Under Voltage, Short Circuit
Charge Current - Max 3.5A
Battery Pack Voltage 4.8V (Max)
Voltage - Supply (Max) 18V
Interface I2C
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 18-PowerWFQFN
Supplier Device Package 18-WQFN-HR (3x2.5)
Packaging Cut Tape (CT), Tape & Reel (TR)

概述

Description

BQ25620RYKR is Texas Instruments’ single‑cell Li‑ion battery charger with integrated power‑path management. It accepts a USB 5V input and charges a 1‑cell Li‑ion battery while simultaneously supplying the system load, using a high‑efficiency switching charger and a programmable charge profile (pre‑charge, constant‑current/constant‑voltage, termination). Key features include adjustable charging current (via PROG/ISET), fixed regulation voltage around 4.2V, and comprehensive protections (overcurrent, overvoltage, short‑circuit, thermal, undervoltage, etc.). It provides system/battery monitoring through status pins and simple control interfaces. The RYKR suffix denotes the RoHS, tape‑and‑reel packaging (8‑pin package). Typical applications: portable devices, wearables, USB‑powered gadgets, and other battery‑powered peripherals. For exact electrical specs, pinout, programming options, and safety features, consult TI’s data sheet and product page for BQ25620.

Features

Key features of the bq25620RYKR:
- Single‑cell Li‑ion battery charger with integrated power‑path (system load sharing).
- USB 5-V input compatible (with input current limit).
- Constant-current / constant-voltage charging with programmable charge current and regulation voltage.
- Power‑path management lets the system run while charging the battery.
- Pre‑charge and fast‑charge support for deeply discharged cells.
- Battery detection and temperature monitoring (NTC input) with status reporting.
- Comprehensive protections: input OVP, UVP, OCP, short‑circuit protection, over‑temperature (OTP), and reverse current protection.
- Compact packaging (RYKR) suitable for low‑footprint designs.

Package

BQ25620RYKR is in a RoHS WQFN-20 package (4x4 mm) with an exposed pad.

Pinout

- Pin count: 16 pins (16-pin package)
- Function: Single-cell Li‑ion battery charger with USB input and integrated power-path management (charges the battery and powers the system).

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- What kind of company: An American multinational corporation that designs and manufactures semiconductors and integrated circuits.

Application

Applications:
- Single-cell Li-ion/Li-polymer battery charging with integrated power-path for USB-powered portable devices
- Wearables and small handheld electronics
- IoT sensors and instruments
- Portable audio/video devices and USB power banks/charging docks

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動態主要裝載: 運費從25美元到45美元（0.5公斤）不等，預計交貨時間為2-5個工作日。

聯邦快遞: 運費從25美元到40美元（0.5公斤）不等，預計交貨時間為3-7個工作日。

不斷電供應系統: 運費從25美元到45美元（0.5公斤）不等，預計交貨時間為3-7個工作日。

三硝基甲苯: 運費從25美元到65美元（0.5公斤）不等，預計交貨時間為3-7個工作日。

增强型短消息: 運費從30美元到50美元（0.5公斤）不等，預計交貨時間為7-15個工作日。

掛號: 運費為2-4美元（0.1公斤），預計交貨時間為5-20個工作日。

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