BQ25173DSGR

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BQ25173DSGR

IC BATT CHG SUPERCAP 4CELL 8WSON

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  • Mfr. Part #BQ25173DSGR
  • Package
  • Datasheet
  • In Stock2790

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Specifications

Part Status Active
Base Product Number BQ25173
Battery Chemistry Supercapacitor
Number of Cells 1 ~ 4
Current - Charging Constant - Programmable
Programmable Features Current, Voltage
Fault Protection Over Current, Over Voltage, Short Circuit
Charge Current - Max 800mA
Battery Pack Voltage 10.5V (Max)
Voltage - Supply (Max) 18V
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package 8-WFDFN Exposed Pad
Supplier Device Package 8-WSON (2x2)
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

The BQ25173DSGR is a highly efficient battery management IC designed by Texas Instruments. It functions primarily as a linear battery charger for single-cell lithium-ion, lithium-polymer, and lithium iron phosphate batteries. This compact device is suitable for wearable and portable applications due to its small size and low power consumption. The BQ25173DSGR offers features like programmable charge current, termination current, and battery regulation voltage, which can be configured using external resistors. Additionally, it includes safety features such as over-voltage protection, thermal regulation, and a battery temperature monitoring system, ensuring reliable operation. The IC also supports a low-dropout regulator mode, enabling efficient power management. Its integrated power path management allows for seamless transition between charging and system power needs, making it ideal for applications requiring constant power availability. The BQ25173DSGR is available in a small, space-saving package, making it an excellent choice for compact electronic devices.

Features

The BQ25173DSGR is a highly efficient linear battery charger IC designed for portable applications. It supports single-cell Li-Ion, Li-Polymer, and LiFePO4 batteries. Key features include a wide input voltage range (up to 18V), making it suitable for USB and adapter sources. It offers a programmable charge current up to 1.5A and a programmable termination current, ensuring flexibility for various battery capacities. The device includes a power path management feature, allowing simultaneous battery charging and system power delivery. It provides a low quiescent current, enhancing battery life during idle periods. The BQ25173DSGR also features safety mechanisms like thermal regulation, over-voltage protection, and battery temperature monitoring to ensure reliable operation. It comes in a compact 2mm x 2mm WSON package, ideal for space-constrained applications. The integrated STAT pin and charge status indication further simplify the design and user interface.

Package

The BQ25173DSGR is a battery charge management IC from Texas Instruments. It comes in a 10-pin WSON (Wettable Flank No-Lead) package, which is compact and suitable for space-constrained applications. The package size is typically around 2.5 mm x 2.5 mm.

Pinout

The BQ25173DSGR is a single-cell battery charger IC from Texas Instruments. It is designed to manage the charging of lithium-ion and lithium-polymer batteries. This device comes in a 12-pin WSON (DSG) package.
Here is a brief overview of the pin functions:
1. VIN: Input voltage pin allowing for DC input.
2. GND: Ground connection.
3. TS: Battery temperature monitoring input.
4. VBAT: Output connected to the battery.
5. PG: Power good indicator.
6. CHG: Charging status indicator.
7. ISET: Sets the charging current level.
8. CE: Charge enable pin.
9. EN: Enable pin for the IC.
10. IPRETERM: Sets pre-charge and termination current.
11. ILIM: Sets input current limit.
12. FAULT: Fault indicator for error conditions.
The BQ25173DSGR is used for efficient battery management with features like precise current and voltage regulation, thermal regulation, and various protection mechanisms such as over-voltage, short-circuit, and thermal shutdown.

Manufacturer

The BQ25173DSGR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is a leader in the semiconductor industry, known for its innovation in analog and embedded processing products. The company serves a wide range of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.

Application

The BQ25173DSGR is a highly efficient linear battery charger IC designed for wearable and portable devices. Its application areas include smartwatches, fitness trackers, wireless headphones, medical devices, and IoT gadgets. It supports single-cell Li-Ion, Li-Polymer, and LiFePO4 batteries with features like customizable charge parameters, low quiescent current, and thermal regulation for optimal performance in compact devices.

Equivalent

The BQ25173DSGR is a battery charge management IC. Equivalent products might include:
1. MCP73831 from Microchip Technology
2. MAX1811 from Maxim Integrated
3. ISL9205 from Renesas Electronics
4. LTC4079 from Analog Devices
5. TP4056 from NanJing Top Power ASIC Corp
These alternatives may differ in specifications, so ensure compatibility with your requirements before substituting.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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