LTC2941IMS8E#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC2941IMS8E#TRPBF is a single-channel Li-Ion battery gas gauge IC for automotive applications in an 8-pin MSOP-EP package, providing coulomb counting with adjustable threshold alerts for accurate state-of-charge monitoring.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LTC2941IMS8E#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Coulomb-counting gas gauge with adjustable alert thresholds for accurate Li-Ion state-of-charge tracking in 1-channel designs
- Automotive-grade single-channel battery monitor with VSENSE+ supply voltage input in a compact 8-pin MSOP-EP package
- I2C interface with configurable charge and discharge thresholds enables seamless integration into automotive battery management systems
Applications
The LTC2941IMS8E#TRPBF is designed for automotive-grade battery fuel gauging in electric vehicle auxiliary systems, start-stop battery packs, and 12 V lead-acid or Li-Ion battery management units requiring precise coulomb counting. Its adjustable alert thresholds and I2C reporting make it suitable for hybrid vehicle power management controllers and industrial UPS systems where accurate state-of-charge data drives charge/discharge decisions. The compact 8-pin MSOP-EP package integrates easily onto battery management PCBs with tight space constraints in automotive under-hood environments.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1662 |
| YTEOL | 0 |
| Additional Feature | VSENSE+ IS THE SUPPLY VOLTAGE |
| Adjustable Threshold | YES |
| Analog IC - Other Type | BATTERY GAUGE |
| JESD-30 Code | S-PDSO-G8 |
| 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, THIN PROFILE, SHRINK PITCH |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 4.2V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does LTC2941IMS8E#TRPBF track battery state-of-charge in automotive applications?
The LTC2941IMS8E#TRPBF uses coulomb counting — integrating current flow through a sense resistor on VSENSE+ — to continuously calculate charge and discharge of a single Li-Ion cell. It reports accumulated charge over an I2C interface and can trigger alert interrupts when the charge level crosses user-configurable high or low thresholds. This approach achieves high accuracy over the full battery cycle compared to voltage-only estimation methods used in simpler fuel-gauge ICs.
What makes LTC2941IMS8E#TRPBF suitable for automotive battery management over a commercial-grade IC?
The LTC2941IMS8E#TRPBF is designated as an automotive-grade battery gauge, meaning it is tested and characterized for reliability across the extended -40°C to +125°C automotive temperature range encountered in under-hood and cabin environments. Its single-channel architecture with adjustable thresholds and I2C output meets JESD-609 e3 Pb-free solder requirements, and the 8-pin MSOP-EP package suits the compact PCB areas available in automotive battery management modules and start-stop systems.
Can LTC2941IMS8E#TRPBF be used in a multi-cell battery stack monitoring system?
The LTC2941IMS8E#TRPBF is a 1-channel device designed for single-cell or single-stack monitoring via 1 sense-resistor input. For multi-cell stacks, designers typically deploy 1 unit per cell or per module and distinguish them by configuring each IC to a unique I2C address. Each unit independently coulomb-counts its assigned cell, allowing a master MCU to poll all channels over the 2-wire bus and reconstruct total pack state-of-charge from the individual 1-channel readings.
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