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LM3658SD-A/NOPB

Battery Charger Controller Li-Ion/Li-Pol 1000mA 4.2V 10-Pin WSON EP T/R

Inventory:8,524

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Overview of LM3658SD-A/NOPB

The LM3658SD-A/NOPB is a high-efficiency switch-mode boost converter with integrated power switch designed for powering portable devices such as smartphones, tablets, and portable media players. This IC provides a compact and efficient solution for boosting low input voltages to higher output voltages required by modern electronic devices.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input voltage
  • EN: Enable pin
  • SW: Switch pin
  • VOUT: Output voltage
  • GND: Ground
  • FB: Feedback pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM3658SD-A/NOPB IC for a visual representation.

Key Features

  • High Efficiency: The LM3658SD-A/NOPB offers high efficiency conversion, minimizing power losses and extending battery life in portable devices.
  • Integrated Power Switch: With an integrated power switch, this IC simplifies the design and reduces external component count.
  • Wide Input Voltage Range: Operates over a wide input voltage range, making it suitable for a variety of battery-powered applications.
  • Overcurrent Protection: Includes overcurrent protection to safeguard the IC and connected devices from excessive currents.
  • Soft Start: Features a soft start function to prevent inrush current and ensure smooth operation during power-up.

Note: For detailed technical specifications, please refer to the LM3658SD-A/NOPB datasheet.

Application

  • Portable Devices: Ideal for powering portable electronic devices such as smartphones, tablets, and media players.
  • Battery-Powered Systems: Suitable for battery-powered systems requiring efficient voltage boosting capabilities.
  • Consumer Electronics: Used in a wide range of consumer electronic products for power management applications.

Functionality

The LM3658SD-A/NOPB is a switch-mode boost converter that efficiently boosts input voltages to higher output levels for powering portable devices. It provides a reliable and compact power solution for various electronic applications.

Usage Guide

  • Input Voltage: Connect the VIN pin to the input voltage source.
  • Output Voltage: Monitor and adjust the output voltage using the FB pin for the desired power requirements.
  • Enable Control: Use the EN pin to enable or disable the boost converter as needed.

Frequently Asked Questions

Q: What is the efficiency rating of the LM3658SD-A/NOPB?
A: The LM3658SD-A/NOPB offers high efficiency conversion, typically above 90%, depending on operating conditions.

Q: Is the LM3658SD-A/NOPB suitable for low-power applications?
A: Yes, the LM3658SD-A/NOPB is designed for efficient low-power operation, making it suitable for battery-powered and portable devices.

Equivalent

For similar functionalities, consider these alternatives to the LM3658SD-A/NOPB:

  • LM3478: A high-efficiency switch-mode boost converter with similar features and performance characteristics.
  • TPS61200: This switch-mode boost converter from Texas Instruments offers comparable efficiency and compact design for portable applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of series cells 1 Charge current (max) (A) 1
Vin (max) (V) 6 Cell chemistry Li-Ion/Li-Polymer
Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 4.2
Absolute max Vin (max) (V) 6.5 Control topology Linear
Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation
Vin (min) (V) 4.5 Rating Catalog
Operating temperature range (°C) -40 to 85

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packageimg

LM3658SD-A/NOPB

Battery Charger Controller Li-Ion/Li-Pol 1000mA 4.2V 10-Pin WSON EP T/R

Inventory:

8,524