TPS61041DBVR

Product Overview

Category

The TPS61041DBVR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators classification.

Use

This product is primarily used for boosting or stepping up voltage levels in various electronic applications. It is commonly employed in portable devices, such as smartphones, tablets, and digital cameras, where efficient power management is crucial.

Characteristics

• High efficiency: The TPS61041DBVR offers excellent power conversion efficiency, minimizing energy loss during voltage conversion.
• Wide input voltage range: It can operate with input voltages ranging from 1.8V to 6V, providing flexibility in different power supply scenarios.
• Adjustable output voltage: The device allows users to set the desired output voltage level within a specific range, catering to diverse application requirements.
• Low quiescent current: The TPS61041DBVR features low standby current consumption, contributing to extended battery life in portable devices.
• Thermal shutdown protection: It incorporates a thermal shutdown mechanism that safeguards the IC from overheating, ensuring reliable operation.

Package and Quantity

The TPS61041DBVR is available in a small SOT-23-5 package, which is compact and suitable for space-constrained designs. It is typically sold in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 1.8V to 6V
• Output Voltage Range: Adjustable from 2.5V to 5.5V
• Maximum Output Current: 100mA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 30µA (typical)

Pin Configuration

The TPS61041DBVR has five pins arranged as follows:

```

---

| | --| VIN GND |-- Pin 1: VIN (Input Voltage) --| EN SW |-- Pin 2: EN (Enable) --| FB NC |-- Pin 3: FB (Feedback) --| PGND SW |-- Pin 4: PGND (Power Ground) --| VOUT SW |-- Pin 5: VOUT (Output Voltage) |___________| ```

Functional Features

• Enable (EN) Pin: This pin controls the device's operation. When a logic high signal is applied, the TPS61041DBVR is enabled and starts boosting the input voltage. Conversely, a logic low signal disables the device, reducing power consumption.
• Feedback (FB) Pin: The FB pin is used to set the desired output voltage level. By connecting external resistors or a voltage divider network, users can adjust the output voltage within the specified range.
• Power Ground (PGND): This pin serves as the ground reference for the internal power stage of the IC.
• Input Voltage (VIN): The VIN pin receives the input voltage that needs to be boosted.
• Output Voltage (VOUT): The VOUT pin provides the boosted output voltage.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power loss during voltage conversion.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage caters to different application requirements.
• Low quiescent current extends battery life in portable devices.
• Thermal shutdown protection ensures reliable operation.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• SOT-23-5 package may pose challenges in heat dissipation for certain designs.

Working Principles

The TPS61041DBVR operates as a boost converter, utilizing a switching regulator topology. When enabled, it converts the input voltage to a higher output voltage level by controlling the switching of an internal power transistor. This switching action, coupled with an inductor and capacitor, efficiently steps up the voltage while minimizing energy loss.

Detailed Application Field Plans

The TPS61041DBVR finds applications in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Digital cameras - Portable media players - Wearable devices

Detailed and Complete Alternative Models

1. TPS61042DBVR: Similar to TPS61041DBVR, but with a higher maximum output current of 200mA.
2. TPS61043DBVR: Offers adjustable output voltage range from 1.8V to 6V, suitable for wider application scenarios.
3. TPS61044DBVR: Provides higher efficiency and lower quiescent current compared to TPS61041DBVR.

These alternative models offer similar functionality with slight variations in specifications, catering to different design requirements.

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