Demo catalogue / charger
Universal USB / DC / solar LiPo charger bq24074
Adafruit · MPN 4755 · agent-readable version
$14.95indicative · 2026-08-22
Captured from Adafruit’s own structured data on the date shown — not a quote. Availability is deliberately not claimed.
| Adafruit | $14.95 · 2026-08-22 | product page ↗ |
Partsgraph corroborated spec sheet (PDF)first-party · compiled from the sources below
TI bq24074 datasheetsha256 05585ca0112a…
Specifications — every value carries its receipt
Electrical
| Input voltage range | 5 to 10 V | vendor page“Polymer Charger can use USB, DC or Solar power, with a wide 5-10V input voltage range! The charger chip is super smart, and w” |
| Input overvoltage rating | 28 V | datasheet p.1“current separately. This feature reduces the number • 28-V Input rating with overvoltage protection”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
| OVP threshold (bq24074) | 10.5 V | datasheet p.6“TD BQ24074 10.5 V 4.2 V 4.4 V VO(REG) – 100 mV”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
| Battery regulation voltage | 4.2 V | datasheet p.6“FUNCTION BQ24072 6.6 V 4.2 V VBAT + 225 mV VO(REG) – 100 mV”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
| System output regulation (VOUT) | 4.4 V | datasheet p.6“D BQ24073 6.6 V 4.2 V 4.4 V VO(REG) – 100 mV TD”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
| Default max charge rate | 1000 mA | vendor page“Two color indicator LEDs - Power good and Charging Set for 1000mA max charge rate , can be adjusted to 500mA or 1.5A by solde” |
| Solar panel input | 6 to 10 V | vendor page“ithium Polymer battery charger Charge with 5-10V DC, USB or 6-10V solar panel , can have both USB and DC plugged in at the sa” |
Interface
| USB connector | USB Type C | vendor page“charger this universal charger has some nice improvements: USB Type C port for modern computers and chargers Up to 1.5A charge ra” |
| Battery connector | JST PH | vendor page“r panel . Plug the battery into the BATT port using a 2-pin JST PH cable and the solar panel into the DC jack using a 2.1mm ad” |
Compliance
| RoHS | RoHS compatible | datasheet p.6“dendum at the end of the data sheet (2) This product is RoHS compatible, including a lead concentration that does not exceed 0.1% o”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
| Lead-free soldering | yes | datasheet p.6“roduct weight, and is suitable for use in specified lead-free soldering processes. In addition, this product uses package”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
General
| Charger IC | bq24074 | datasheet p.1“BQ24072, BQ24073, BQ24074, BQ24075, BQ24079”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
| Max charge current | 1.5 A | datasheet p.1“8 – REVISED OCTOBER 2021 BQ2407x Standalone 1-Cell 1.5-A Linear Battery Chargers with Power Path”https://www.ti.com/lit/ds/symlink/bq24074.pdfsha256 05585ca0112a… |
Used in
weather-station — as charger