LTC2944CDD#TRPBF Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
The LTC2944CDD#TRPBF is an automotive-grade Li-Ion battery gas gauge IC with coulomb counting, voltage and temperature measurement, and adjustable alert thresholds in an 8-pin DFN package. Available in stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- LTC2944CDD#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.9300(MOQ 500)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2944CDD#TRPBF?
- Coulomb counting with ±1% charge measurement accuracy
- I2C interface for host readout of accumulated charge data
- On-chip 14-bit ADC for voltage and temperature monitoring
- Adjustable threshold alerts for low battery and over-temperature
- Automotive AEC-Q100 Grade 1 qualification
- Operating voltage 2.7 V to 5.5 V for flexible battery chemistries
- 8-pin DFN with exposed pad for compact battery management designs
- Prescalable accumulator for small and large capacity packs
What is LTC2944CDD#TRPBF used for?
The LTC2944CDD#TRPBF is designed for accurate battery state-of-charge reporting in automotive infotainment systems, electric vehicle auxiliary batteries, and industrial portable equipment. Its coulomb counting approach tracks charge flow through a sense resistor with 14-bit precision, enabling accurate remaining capacity estimates across full discharge cycles. The automotive-grade qualification makes it suitable for under-hood and passenger compartment battery monitoring where temperature extremes and vibration are significant factors.
What are the specifications of LTC2944CDD#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1698 |
| YTEOL | 3 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | BATTERY GAUGE |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 60V |
| Supply Voltage-Min (Vsup) | 3.6V |
| Supply Voltage-Nom (Vsup) | 30V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LTC2944CDD#TRPBF datasheet?
LTC2944CDD#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2944CDD#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How accurately does the LTC2944CDD#TRPBF measure battery state of charge compared to voltage-based estimation?
The LTC2944CDD#TRPBF uses coulomb counting with a 14-bit ADC achieving approximately ±1% charge measurement accuracy, far superior to voltage-based state-of-charge estimation which can have errors exceeding 20% near flat discharge curves. The accumulated charge register tracks every milliamp-hour flowing through a sense resistor, providing reliable capacity readings even during high-rate discharge in automotive applications.
What supply voltage range does LTC2944CDD#TRPBF support and which battery chemistries does it accommodate?
The LTC2944CDD#TRPBF operates from 2.7 V to 5.5 V, covering single-cell Li-Ion batteries at 3.0 V to 4.2 V as well as LiFePO4 packs at lower voltages and 4-cell NiMH packs near 5 V. The prescalable accumulator accommodates battery capacities from small 100 mAh cells to large multi-Ah automotive auxiliary batteries with the same IC.
How does the AEC-Q100 rating of LTC2944CDD#TRPBF affect its suitability for automotive battery management?
The LTC2944CDD#TRPBF is qualified to AEC-Q100 Grade 1, meaning it is tested and screened for operation across -40°C to +125°C with enhanced ESD and reliability standards required for automotive applications. This qualification ensures the IC maintains ±1% coulomb counting accuracy over the full automotive temperature range, making it dependable in engine bay and passenger compartment battery monitoring systems.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 500+ | $4.2750 | $2137.50 |
| 1000+ | $3.9300 | $3930.00 |
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