CS5173GD8G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: GD8G (8-pin Dual Flat No-Lead package)
• Essence: Regulates and controls power supply in electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 1A
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CS5173GD8G IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. PG: Power Good pin
7. VOUT: Output voltage pin
8. BST: Boost pin

Functional Features

• High efficiency power conversion
• Low power consumption in standby mode
• Overcurrent protection
• Thermal shutdown protection
• Soft-start function for smooth power-up
• Power Good indicator for system monitoring

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power wastage - Wide input voltage range allows compatibility with various power sources - Compact package size saves board space - Power Good indicator enhances system reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The CS5173GD8G is a buck converter IC that regulates the output voltage based on the feedback received from the FB pin. It uses a pulse-width modulation (PWM) technique to control the duty cycle of the internal power switch, thereby adjusting the output voltage. The soft-start feature gradually increases the output voltage during startup to prevent excessive inrush current.

Detailed Application Field Plans

The CS5173GD8G is commonly used in various electronic devices that require efficient power management. Some application fields include:

1. Portable Electronics: Smartphones, tablets, portable gaming consoles
2. IoT Devices: Wearable devices, smart home appliances
3. Industrial Equipment: Power supplies, motor control systems
4. Automotive Electronics: Infotainment systems, lighting control modules

Detailed and Complete Alternative Models

1. CS5172GD8G: Similar specifications but with a lower maximum output current of 500mA.
2. CS5174GD8G: Higher maximum output current of 1.5A, suitable for more power-demanding applications.
3. CS5171GD8G: Lower input voltage range of 2.7V to 4.2V, designed for specific low-power applications.

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