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Product Detailed Parameters
- Description：IC MOTOR DRVR 2.7V-5.75V 16SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushed DC
- Function：Controller - Speed
- Output Configuration：Pre-Driver - High Side (2)
- Interface：I2C, SMBus
- Technology：PMOS
- Step Resolution：-
- Applications：Fan Controller
- Current - Output：-
- Voltage - Supply：2.7V ~ 5.75V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-SSOP
- Grade：-
- Qualification：-
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Overview
The LTC1840IGN#TRPBF is a fan controller manufactured by Analog Devices Inc., designed for managing cooling systems in electronic devices. It integrates two 8-bit current output digital-to-analog converters (DACs), two tachometer interfaces, and four general-purpose input/output (GPIO) pins. The device operates on a single voltage supply ranging from 2.7V to 5.75V. Packaged in a 16-lead SSOP, it provides precise control over fan speed and monitoring capabilities.
Feature Summary
- Integrates dual 8-bit current output DACs for precise fan speed regulation
- Includes dedicated tachometer interfaces for accurate rotational speed monitoring
- Features four general-purpose I/O pins for flexible system integration
Applications
- Embedded motor control systems
- Robotics applications requiring thermal management
- Automation equipment with active cooling needs
Procurement Notes
Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm the operating voltage range of 2.7V to 5.75V matches your system requirements. Ensure compatibility with the 16-lead SSOP package footprint during PCB layout. Check for any recent product change notices regarding pinout or electrical specifications before finalizing procurement.
Selection Notes
Select this component when precise analog control of fan speed is required alongside digital monitoring. The integrated DACs eliminate the need for external signal conditioning circuits. Consider the GPIO flexibility for additional system status reporting or control logic interfacing. Verify that the supply voltage range aligns with your available power rails.
Part Context
This part belongs to the LTC1840 family of fan controllers from Analog Devices. It is specifically engineered for applications requiring reliable thermal management through controlled fan operation. The integration of DACs and tachometer inputs simplifies the design of closed-loop cooling systems.
Replacement Considerations
Check for direct pin-compatible alternatives within the Analog Devices portfolio. Verify if other fan controllers offer similar DAC resolution and interface counts. Ensure replacement parts maintain the same supply voltage range and package dimensions.
