TPS60313DGSR

Product Overview

Category

The TPS60313DGSR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators category.

Use

This product is primarily used as a step-up (boost) DC-DC converter. It is designed to efficiently convert a lower input voltage to a higher output voltage, making it suitable for various applications that require higher voltage levels.

Characteristics

• High efficiency: The TPS60313DGSR offers high conversion efficiency, minimizing power losses during voltage conversion.
• Wide input voltage range: It can accept input voltages ranging from 1.8V to 6V, providing flexibility in different power supply scenarios.
• Adjustable output voltage: The output voltage can be adjusted within a specific range, allowing customization based on application requirements.
• Low quiescent current: The device has low standby current consumption, ensuring minimal power wastage during idle periods.

Package and Quantity

The TPS60313DGSR is available in a small 10-pin VSON package. It is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 1.8V to 6V
• Output Voltage Range: Adjustable, typically up to 18V
• Switching Frequency: 1.2MHz
• Maximum Output Current: 200mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS60313DGSR features the following pin configuration:

1. EN (Enable): Enable pin for turning the device on/off.
2. FB (Feedback): Feedback pin for adjusting the output voltage.
3. SW (Switch): Switching node for connecting the inductor and capacitor.
4. GND (Ground): Ground reference for the device.
5. VIN (Input Voltage): Input voltage supply pin.
6. VOUT (Output Voltage): Output voltage pin.
7. PG (Power Good): Power good indicator pin.
8. NC (No Connect): No connection pin.
9. NC (No Connect): No connection pin.
10. VREF (Reference Voltage): Reference voltage output pin.

Functional Features

• Soft Start: The TPS60313DGSR incorporates a soft start feature to minimize inrush current during startup, preventing excessive stress on the components.
• Overcurrent Protection: It includes overcurrent protection to safeguard against excessive load currents, ensuring the device operates within safe limits.
• Thermal Shutdown: The IC is equipped with thermal shutdown protection, which activates when the temperature exceeds a certain threshold, preventing damage due to overheating.
• Power Good Indicator: The power good pin provides an indication of the output voltage stability, allowing external monitoring and control.

Advantages and Disadvantages

Advantages

• High efficiency conversion, minimizing power losses.
• Wide input voltage range for versatile applications.
• Adjustable output voltage for customization.
• Small package size for space-constrained designs.

Disadvantages

• Limited maximum output current of 200mA.
• Requires additional external components for operation.

Working Principles

The TPS60313DGSR operates based on the principle of pulse width modulation (PWM). It uses an internal oscillator to generate high-frequency pulses that control the switching of the internal MOSFET. This switching action converts the input voltage to a higher output voltage through the use of an inductor and capacitor. The feedback mechanism adjusts the duty cycle of the pulses to maintain the desired output voltage.

Detailed Application Field Plans

The TPS60313DGSR finds applications in various fields, including: 1. Battery-powered devices: It can be used to boost the battery voltage to power components requiring higher voltages, such as LCD displays or audio amplifiers. 2. Portable medical devices: The IC can provide the necessary voltage levels for medical equipment like blood glucose meters or portable ultrasound devices. 3. IoT devices: It enables efficient power conversion in IoT devices that require different voltage levels for sensors, communication modules, and microcontrollers.

Detailed and Complete Alternative Models

1. TPS60314DGSR: Similar to TPS60313DGSR but with a higher maximum output current of 400mA.
2. TPS61021DRCR: A step-up DC-DC converter with an integrated Schottky diode, suitable for applications with limited board space.
3. TPS61220EVM-081: An evaluation module featuring the TPS61220, providing a complete solution for evaluating the performance of a step-up converter.

In conclusion, the TPS60313DGSR is a high-efficiency step-up DC-DC converter designed for various applications requiring voltage boosting. Its adjustable output voltage, wide input voltage range, and small package size make it a versatile choice for different design requirements. However