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LT3652HVEMSE#PBF
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LT3652HVEMSE#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger

Characteristics: - High Voltage - Wide Input Voltage Range - Programmable Charging Current - Thermal Regulation and Protection - Small Package Size

Package: MSOP-12

Essence: The LT3652HVEMSE#PBF is a high voltage battery charger IC designed for use in various applications.

Packaging/Quantity: The LT3652HVEMSE#PBF is available in a reel packaging with 250 units per reel.

Specifications

The LT3652HVEMSE#PBF has the following specifications:

  • Input Voltage Range: 4V to 60V
  • Maximum Charging Current: 2A
  • Float Voltage: Programmable from 3.5V to 60V
  • Charge Termination: Programmable C/10 or timer
  • Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LT3652HVEMSE#PBF has a total of 12 pins, which are configured as follows:

  1. VIN: Input Voltage
  2. GND: Ground
  3. PROG: Programming Pin
  4. ISET: Charging Current Set Pin
  5. STAT: Status Indicator Output
  6. VFB: Feedback Voltage Pin
  7. SS: Soft-Start Pin
  8. TIMER: Timer Programming Pin
  9. BAT: Battery Connection
  10. TS: Thermal Shutdown Pin
  11. FREQ: Frequency Setting Pin
  12. VOUT: Output Voltage

Functional Features

The LT3652HVEMSE#PBF offers the following functional features:

  1. High Voltage Operation: The IC can handle input voltages ranging from 4V to 60V, making it suitable for a wide range of applications.
  2. Programmable Charging Current: The charging current can be easily programmed using the ISET pin, allowing flexibility in charging different battery types.
  3. Thermal Regulation and Protection: The IC incorporates thermal regulation and protection features to prevent overheating and ensure safe operation.
  4. Small Package Size: The MSOP-12 package offers a compact form factor, making it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile use - Programmable charging current provides flexibility - Thermal regulation and protection enhance safety - Compact package size saves space

Disadvantages: - Limited maximum charging current (2A) - Requires external components for complete battery charging circuit

Working Principles

The LT3652HVEMSE#PBF operates as a constant-current/constant-voltage battery charger. It regulates the charging current and voltage to ensure optimal charging of the connected battery. The IC uses a feedback mechanism to monitor the battery voltage and adjust the charging parameters accordingly. It also incorporates thermal regulation to prevent overheating during operation.

Detailed Application Field Plans

The LT3652HVEMSE#PBF is suitable for various applications, including but not limited to: - Portable electronic devices - Industrial equipment - Automotive systems - Solar-powered devices - Battery backup systems

Detailed and Complete Alternative Models

  1. LT3652EMSE#PBF: Similar to LT3652HVEMSE#PBF, but with a lower input voltage range (4V to 32V).
  2. LT3652IMSE#PBF: Similar to LT3652HVEMSE#PBF, but with a lower maximum charging current (1A).
  3. LT3652HMSE#PBF: Similar to LT3652HVEMSE#PBF, but with a higher maximum charging current (3A).

These alternative models offer different specifications to cater to specific application requirements.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LT3652HVEMSE#PBF w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of LT3652HVEMSE#PBF in technical solutions:

  1. Q: What is the input voltage range of LT3652HVEMSE#PBF? A: The input voltage range of LT3652HVEMSE#PBF is typically between 4.95V and 32V.

  2. Q: What is the maximum charging current supported by LT3652HVEMSE#PBF? A: LT3652HVEMSE#PBF can support a maximum charging current of up to 2A.

  3. Q: Can LT3652HVEMSE#PBF charge multiple battery chemistries? A: Yes, LT3652HVEMSE#PBF is designed to charge various battery chemistries, including Li-Ion, Li-Polymer, and LiFePO4.

  4. Q: Does LT3652HVEMSE#PBF have built-in thermal protection? A: Yes, LT3652HVEMSE#PBF incorporates thermal protection to prevent overheating during operation.

  5. Q: What is the typical efficiency of LT3652HVEMSE#PBF? A: The typical efficiency of LT3652HVEMSE#PBF is around 90% under normal operating conditions.

  6. Q: Can LT3652HVEMSE#PBF operate in a wide temperature range? A: Yes, LT3652HVEMSE#PBF is designed to operate in a temperature range of -40°C to 125°C.

  7. Q: Does LT3652HVEMSE#PBF support battery temperature monitoring? A: Yes, LT3652HVEMSE#PBF has provisions for battery temperature monitoring to ensure safe charging.

  8. Q: Can LT3652HVEMSE#PBF be used in portable devices? A: Yes, LT3652HVEMSE#PBF is suitable for use in portable devices due to its compact size and low power consumption.

  9. Q: Does LT3652HVEMSE#PBF have an adjustable charge termination voltage? A: Yes, LT3652HVEMSE#PBF allows for adjustable charge termination voltage to accommodate different battery requirements.

  10. Q: Is LT3652HVEMSE#PBF compliant with safety standards? A: Yes, LT3652HVEMSE#PBF is compliant with various safety standards, including UL, CE, and RoHS.

Please note that the answers provided here are general and may vary depending on specific application requirements and datasheet specifications.