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RFQ ListingPower Management ICs
LTC2943CDD#TRPBF is an Analog Devices (Linear Technology) multicell battery gas gauge IC that precisely measures accumulated battery charge and discharge, voltage, current and temperature through a 14-bit No Latency ΔΣ™ ADC. Supporting multicell battery packs from 3.6V to 20V with 1% measurement accuracy and I²C/SMBus digital interface, the device is ideal for power tools, electric vehicles, portable medical instruments and handheld electronics requiring accurate fuel gauging and coulomb counting.
ManufacturerAnalog Devices
PackageDFN-8 (3mm × 3mm), 8-Lead
SeriesLTC2943CDD#TRPBF
Power IC Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | Multicell Battery Gas Gauge with Coulomb Counter; Voltage, Current and Temperature Measurement |
| Input Voltage | 3.6V to 20V (Multicell Battery Input Range) |
| Output Voltage / Current (Digital Measurement via I²C/SMBus) | Digital Measurement Data via I²C/SMBus; 14-Bit ADC Resolution; Configurable Alert Output |
| Package / Case | DFN-8 (3mm × 3mm), 8-Lead |
| Measurement Accuracy | 1% Voltage, Current and Charge Accuracy |
| ADC Characteristics | 14-Bit No Latency ΔΣ™ ADC; ±50mV Sense Voltage Range; High Side Sense |
| Operating Current | <120μA Quiescent Current |
| Interface | I²C/SMBus; Programmable High/Low Thresholds; Alert/Charge Complete Pins |
Power Features & Applications
- Measures accumulated battery charge and discharge
- 3.6V to 20V operating range for multiple cell applications
- 14-bit ADC measures voltage, current and temperature
- 1% voltage, current and charge accuracy
- ±50mV sense voltage range with high side sense
- General purpose measurements for any battery chemistry and capacity
- I²C/SMBus interface for register access
- Configurable alert output/charge complete input with programmable thresholds
- Quiescent current less than 120μA for low power operation
- Small 8-lead 3mm × 3mm DFN package
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Frequently Asked Questions
Is LTC2943CDD#TRPBF available from LimChip?
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Buyers should check voltage range, current rating, package, protection features and date code for LTC2943CDD#TRPBF, together with live stock and traceable supply.
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