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The bq2052 Lithium Primary Gas Gauge IC is intended for battery-pack or in-system installation to maintain an accurate record of available battery capacity. The IC monitors a voltage drop across a sense resistor connected in series with the cells to determine discharge activity of the battery. The bq2052 applies compensations for battery temperature and disc.
➤ Accurate measurement of available capacity in Lithium primary batteries such as Lithium Sulphur Dioxide and Lithium Manganese Dioxide ➤ Provides a low-cost battery monitor solution for pack integration - Complete circuit can fit less than 1 square inch of PCB space - Low operating current - Less than 100nA of data retention current ➤ Single-wire communication interface (HDQ bus) for critical battery parameters ➤ Communicates remaining capacity with direct drive of LEDs in 3 selectable modes ➤ Measurements automatically compensated for discharge rate and temperature ➤ 16-pin narrow SOIC Gas .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | bq2050 |
Benchmarq |
Lithium Ion Power Gauge |
|
| 2 | bq2050H |
Benchmarq |
Low-Cost Lithium Ion Power Gauge |
|
| 3 | bq2054 |
UNITRODE |
Lithium Ion Fast-Charge |
|
| 4 | bq2057 |
Texas Instruments |
Linear Charge Management |
|
| 5 | bq2057C |
Texas Instruments |
Linear Charge Management |
|
| 6 | bq2057T |
Texas Instruments |
Linear Charge Management |
|
| 7 | bq2057W |
Texas Instruments |
Linear Charge Management |
|
| 8 | BQ2000 |
Texas Instruments |
Programmable Multi-Chemistry Fast-Charge Management |
|
| 9 | BQ2000T |
Texas Instruments |
Programmable Multi-Chemistry Fast-Charge Management |
|
| 10 | BQ2001-7R |
Power-One |
60...132 Watt DC-DC Converters |
|
| 11 | BQ2002 |
Benchmarq |
NiCd/NiMH Fast-Charge Management |
|
| 12 | BQ2002C |
UNITRODE |
NiCd/NiMH Fast-Charge Management |
|