LTC4229CG#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management and Control

Characteristics: - High voltage protection - Current limiting - Reverse current blocking - Ideal diode controller - Wide input voltage range - Low quiescent current - Fault flag output - Thermal shutdown

Package: 16-Lead SSOP

Essence: The LTC4229CG#TRPBF is an integrated circuit designed for power management and control applications. It provides high voltage protection, current limiting, reverse current blocking, and acts as an ideal diode controller.

Packaging/Quantity: The LTC4229CG#TRPBF is available in a 16-Lead SSOP package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.8V to 18V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 50µA (typical)
• Overvoltage Threshold: Adjustable from 2.5V to 18V
• Reverse Current Threshold: Adjustable from 1mA to 100mA
• Fault Flag Output: Open-drain, active low
• Package Type: SSOP-16

Pin Configuration

The LTC4229CG#TRPBF has the following pin configuration:

1. VIN1: Input Voltage 1
2. VIN2: Input Voltage 2
3. GND: Ground
4. FLT: Fault Flag Output
5. VOUT: Output Voltage
6. SENSE1: Current Sense Input 1
7. SENSE2: Current Sense Input 2
8. REF: Reference Voltage
9. EN: Enable Input
10. OV: Overvoltage Threshold Adjustment
11. REV: Reverse Current Threshold Adjustment
12. GATE1: Gate Drive Output 1
13. GATE2: Gate Drive Output 2
14. VCC: Supply Voltage
15. NC: No Connection
16. NC: No Connection

Functional Features

• High voltage protection: Protects against overvoltage conditions.
• Current limiting: Limits the maximum current flowing through the circuit.
• Reverse current blocking: Prevents reverse current flow.
• Ideal diode controller: Acts as a diode to allow current flow in one direction only.
• Wide input voltage range: Can handle input voltages from 2.8V to 18V.
• Low quiescent current: Consumes minimal current when not actively controlling power.
• Fault flag output: Provides an indication of fault conditions.
• Thermal shutdown: Protects the device from overheating.

Advantages and Disadvantages

Advantages: - Provides comprehensive power management and control features. - Wide input voltage range allows for versatile applications. - Low quiescent current minimizes power consumption. - Fault flag output enables easy fault detection. - Thermal shutdown protects the device from damage due to overheating.

Disadvantages: - May require additional external components for certain applications. - Limited to a specific package type (SSOP-16).

Working Principles

The LTC4229CG#TRPBF operates by monitoring the input voltages, current flow, and fault conditions. It uses internal circuitry to provide high voltage protection, current limiting, reverse current blocking, and ideal diode functionality. The device continuously monitors the input voltages and compares them to the adjustable overvoltage threshold. If the voltage exceeds the threshold, the LTC4229CG#TRPBF takes appropriate action to protect the downstream circuitry. It also limits the current flowing through the circuit and blocks reverse current flow. The fault flag output provides an indication of any fault conditions detected. In case of excessive temperature, the thermal shutdown feature activates to prevent damage to the device.

Detailed Application Field Plans

The LTC4229CG#TRPBF is commonly used in various power management and control applications, including:

1. Battery-powered devices: Provides voltage protection and current limiting for battery-powered systems.
2. Power supply units: Ensures safe and reliable power delivery by protecting against overvoltage and reverse current flow.
3. Industrial automation: Controls power distribution and protects sensitive equipment from voltage spikes and faults.
4. Automotive electronics: Safeguards automotive electronic systems from voltage surges and reverse current flow.
5. Renewable energy systems: Manages power flow and protects components in solar panels, wind turbines, etc.

Detailed and Complete Alternative Models

1. LTC4229IG#TRPBF: Similar to LTC4229CG#TRPBF but available in an 16-Lead SOIC package.
2. LTC4229HG#TRPBF: Similar to LTC4229CG#TRPBF but available in a 16-Lead TSSOP package.