Series: BQ24650
Part Number: BQ24650
| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-27699-1-ND | 483 | $6.09 | Buy |
| DigiKey | 296-27699-1-ND | 9884 | $5.36 | Buy |
| DigiKey | 296-27699-1-ND | 88 | $6.09 | Buy |
| DigiKey | 296-46287-1-ND | 1711 | $4.91 | Buy |
| Mouser Electronics | 595-BQ24650RVAT | 709 | $5.34 | Buy |
| Mouser Electronics | 595-BQ24650RVAR | 4082 | $4.78 | Buy |
| AVNET Express | BQ24650RVAT | 1178 | $3.15 | Buy |
| Newark | BQ24650RVAT | 11 | $6.72 | Buy |
| RS Components | BQ24650RVAT | $852.90 | Buy | |
| Arrow North American Components | BQ24650RVAT | 33 | $4.32 | Buy |
| RS Components (APAC) | BQ24650RVAT | $108.35 | Buy | |
| Win Source | BQ24650RVAT | 120000 | $6.15 | Buy |
| Verical Marketplace | BQ24650RVAT | 1000 | $3.74 | Buy |
| AVNET Europe | BQ24650RVAT | 250 | * $3.70 | Buy |
| Ameya360 | BQ24650RVAT | 500 | $3.24 | Buy |
| element14 APAC | BQ24650RVAT | 11 | * $6.36 | Buy |
| AVNET Express | BQ24650RVAR | 1820 | $2.74 | Buy |
| Newark | BQ24650RVAR | $2.20 | Buy | |
| AVNET Europe | BQ24650RVAR | * $3.21 | Buy | |
| AVNET Asia Pacific | BQ24650RVAR | $2.56 | Buy | |
| Texas Instruments | BQ24650RVAR | 17007 | $3.73 | Buy |
| Farnell | BQ24650RVAT | 11 | * $5.63 | Buy |
| Texas Instruments | BQ24650RVAT | 90321 | $4.48 | Buy |
| Win Source | BQ24650RVAR | 121000 | $6.30 | Buy |
| Utmel | BQ24650RVAR | 12000 | $3.05 | Buy |
| AVNET Asia Pacific | BQ24650RVAT | $3.29 | Buy |
Description
The bq24650 device is a highly integrated switch-mode battery charge controller. It provides input voltage regulation, which reduces charge current when input voltage falls below a programmed level. When the input is powered by a solar panel, the input regulation loop lowers the charge current so that the solar panel can provide maximum power output.
The bq24650 offers a constant-frequency synchronous PWM controller with high accuracy current and voltage regulation, charge preconditioning, charge termination, and charge status monitoring.
The bq24650 charges the battery in three phases: pre-conditioning, constant current, and constant voltage. Charge is terminated when the current reaches 1/10 of the fast charge rate. The pre-charge timer is fixed at 30 minutes. The bq24650 automatically restarts the charge cycle if the battery voltage falls below an internal threshold and enters a low quiescent current sleep mode when the input voltage falls below the battery voltage.
The bq24650 supports a battery from 2.1 V to 26 V with VFB set to a 2.1-V feedback reference. The charge current is programmed by selecting an appropriate sense resistor. The bq24650 is available in a 16 -pin, 3.5 mm × 3.5 mm2 thin QFN package.
