LTC2944IDD#PBF
Fuel Gauge Lead-Acid/Li-FePO4/Li-Ion/Li-Pol/NiCd/NiMH 8-Pin DFN EP Tube
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Part Number : LTC2944IDD#PBF
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Package/Case : DFN-8
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Brands : Analog Devices Inc.
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Components Categories : Battery Management
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Datesheet : LTC2944IDD#PBF DataSheet (PDF)
Overview of LTC2944IDD#PBF
The LTC2944 measures battery charge state, battery voltage, battery current and its own temperature in portable product applications. The wide input voltage range allows use with multicell batteries up to 60V. A precision coulomb counter integrates current through a sense resistor between the battery’s positive terminal and the load or charger. Voltage, current and temperature are measured with an internal 14-bit No Latency ΔΣ™ ADC. The measurements are stored in internal registers accessible via the on-board I2C/SMBus Interface.
Key Features
- Measures Accumulated Battery Charge and Discharge
- 3.6V to 60V Operating Range for Multiple Cells
- 14-Bit ADC Measures Voltage, Current and Temperature
- 1% Voltage, Current and Charge Accuracy
- ±50mV Sense Voltage Range
- High Side Sense
- I2C Interface/SMBus Interface
- General Purpose Measurements for Any Battery Chemistry and Capacity
- Configurable Alert Output/Charge Complete Input
- Quiescent Current Less Than 150μA
- Small 8-Lead 3mm × 3mm DFN Package
Application
- Electric and Hybrid Electric Vehicles
- Power Tools
- Electric Bicycles, Motorcycles, Scooters
- High Power Portable Equipment
- Photo Voltaics
- Backup Battery Systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Status | Active | Function | Battery Monitor |
| Battery Chemistry | Multi-Chemistry | Interface | I²C, SMBus |
| Operating Temperature | -40°C ~ 85°C (TA) | Mounting Type | Surface Mount |
| Package / Case | DFN-8 | Supplier Device Package | 8-DFN (3x3) |
| Base Product Number | LTC2944 | Manufacturer | Analog Devices Inc. |
| Product Category | Battery Management | RoHS | Details |
| Product | Fuel Gauges | Battery Type | Lithium-ion |
| Output Voltage | 400 mV | Output Current | 1 A |
| Operating Supply Voltage | 3.6 V to 60 V | Mounting Style | SMD/SMT |
| Series | LTC2944 | Brand | Analog Devices |
| Maximum Operating Temperature | + 85 C | Minimum Operating Temperature | - 40 C |
| Operating Supply Current | 850 uA | Product Type | Battery Management |
| Factory Pack Quantity | 121 | Subcategory | PMIC - Power Management ICs |
| Unit Weight | 0.071497 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package
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Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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