Datasheet Texas Instruments BQ25570
| Manufacturer | Texas Instruments |
| Series | BQ25570 |
Ultra Low Power Harvester Power Management IC with Boost Charger, and Nanopower Buck Converter
Datasheets
bq25570 Nano Power Boost Charger and Buck Converter for Energy Harvester Powered Applications datasheet
PDF, 1.9 Mb, Revision: E, File published: Mar 6, 2015
Extract from the document
Prices
Status
| BQ25570RGRR | BQ25570RGRT | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes |
Packaging
| BQ25570RGRR | BQ25570RGRT | |
|---|---|---|
| N | 1 | 2 |
| Pin | 20 | 20 |
| Package Type | RGR | RGR |
| Industry STD Term | VQFN | VQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Package QTY | 3000 | 250 |
| Carrier | LARGE T&R | SMALL T&R |
| Device Marking | BQ570 | BQ570 |
| Width (mm) | 3.5 | 3.5 |
| Length (mm) | 3.5 | 3.5 |
| Thickness (mm) | .9 | .9 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | 1 | 1 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | BQ25570RGRR | BQ25570RGRT |
|---|---|---|
| Battery Charge Voltage, V | Adjustable | Adjustable |
| Battery Charge Voltage(Max), V | 5.5 | 5.5 |
| Battery Charge Voltage(Min), V | 2.2 | 2.2 |
| Cell Chemistry | Li-Ion,SuperCap,Lead Acid,LiFePO4,NiMH,Li-Polymer,NiCd | Li-Ion,SuperCap,Lead Acid,LiFePO4,NiMH,Li-Polymer,NiCd |
| Charge Current(Max), A | 0.1 | 0.1 |
| Control Topology | Switch-Mode | Switch-Mode |
| Number of Series Cells | Single Cell | Single Cell |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 |
| Package Group | VQFN | VQFN |
| Package Size: mm2:W x L, PKG | 20VQFN: 12 mm2: 3.5 x 3.5(VQFN) | 20VQFN: 12 mm2: 3.5 x 3.5(VQFN) |
| Primary Charge Termination Method | Voltage | Voltage |
| Special Features | Integrated FET,Over Voltage Protection,Solar Input,Under Voltage Protection | Integrated FET,Over Voltage Protection,Solar Input,Under Voltage Protection |
Eco Plan
| BQ25570RGRR | BQ25570RGRT | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- Accurately measuring efficiency of ultralow-IQ devicesPDF, 254 Kb, File published: Jan 22, 2014
Model Line
Series: BQ25570 (2)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Energy Harvesting & Solar Charging
