Texas Instruments BQ25173DSGR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.97 | $0.97 |
| 15+ | $0.94 | $14.10 |
| 25+ | $0.92 | $23.00 |
| 50+ | $0.87 | $43.50 |
| 100+ | $0.77 | $77.00 |
| N+ | $0.15 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 |
| Interface | - |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-WFDFN Exposed Pad |
| Supplier Device Package | 8-WSON (2x2) |
The BQ25173DSGR from Texas Instruments is a specialized linear charger designed for 1 to 4 series supercapacitors. It delivers a charge current up to 800mA and supports a maximum pack voltage of 10.5V. The device integrates overcurrent, overvoltage, and short-circuit protection. Operating over a junction temperature range of -40°C to 125°C and housed in an 8-WFDFN package, it is engineered for demanding backup power and energy storage applications.
- Purpose-Built for Supercapacitors: Optimized charging algorithm for 1-4 series supercapacitor stacks.
- High Voltage Support: Handles pack voltages up to 10.5V, enabling multi-cell configurations.
- Robust Protection: Includes Over Current, Over Voltage, and Short Circuit protection for system safety.
- Wide Temperature Range: Operates from -40°C to 125°C, suitable for automotive and industrial environments.
Backup Power Systems
For RAID controllers and industrial PCs, this charger manages supercapacitor banks (1-4 cells) to provide backup power during sudden power loss, with up to 10.5V support.
Energy Harvesting Systems
In solar or vibration-based energy harvesting, the BQ25173DSGR efficiently charges supercapacitors to store intermittent energy for later use.
Automotive Black Boxes
Its -40°C to 125°C temperature range makes it suitable for automotive event data recorders that rely on supercapacitors for emergency power.
Smart Meters
For utility smart meters, this charger maintains a supercapacitor charge to enable wireless communication even during grid outages.
Portable Power Tools
In power tools with supercapacitor-assisted starting, this IC provides a robust charging solution with overcurrent and short-circuit protection.
- Q: What is the BQ25173DSGR designed to charge?
- A: It is specifically designed for Supercapacitor charging.
- Q: How many cells or supercapacitors can it support?
- A: It supports 1 to 4 cells in series.
- Q: What is the maximum charge current?
- A: The maximum charge current is 800mA.
- Q: What is the maximum battery pack voltage?
- A: The maximum battery pack voltage is 10.5V.
- Q: What fault protections are included?
- A: It includes Over Current, Over Voltage, and Short Circuit protection.
- Q: What is the operating temperature range?
- A: It operates over a junction temperature range of -40°C to 125°C.
- Q: What is the BQ25173DSGR designed to charge?
- A: It is specifically designed for Supercapacitor charging.
- Q: How many cells or supercapacitors can it support?
- A: It supports 1 to 4 cells in series.
- Q: What is the maximum charge current?
- A: The maximum charge current is 800mA.
- Q: What is the maximum battery pack voltage?
- A: The maximum battery pack voltage is 10.5V.
- Q: What fault protections are included?
- A: It includes Over Current, Over Voltage, and Short Circuit protection.
- Q: What is the operating temperature range?
- A: It operates over a junction temperature range of -40°C to 125°C.

BQ25173DSGR.pdf