TPS3852H33QDRBRQ1

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: High Accuracy, Low Power Consumption
• Package: VSON (Very Small Outline No-Lead) Package
• Essence: Monitors and Resets System Voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.13V, 3.30V, 3.47V, 3.63V, 3.92V, 4.00V
• Reset Time Delay Options: 20ms, 40ms, 60ms, 80ms, 100ms, 140ms, 200ms, 350ms
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 2.7µA typical
• Active Supply Current: 10µA typical
• Power-On Reset Signal Valid Down to VDD = 1.1V
• Manual Reset Input (MR)
• Open-Drain RESET Output
• Low Threshold Voltage Accuracy: ±0.5%
• High Threshold Voltage Accuracy: ±1%

Detailed Pin Configuration

The TPS3852H33QDRBRQ1 has the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset Input)
3. VDD (Supply Voltage)
4. RESET (Open-Drain RESET Output)

Functional Features

• Monitors the system voltage and asserts the reset signal when it falls below the threshold voltage.
• Provides a manual reset input for external system reset control.
• Open-drain RESET output allows easy interfacing with other devices.
• Low quiescent current and low power consumption make it suitable for battery-powered applications.
• Wide operating temperature range enables usage in various environments.

Advantages

• High accuracy in monitoring the system voltage ensures reliable operation.
• Low power consumption extends battery life in portable devices.
• Small package size saves board space.
• Flexible threshold voltage and reset time delay options cater to different system requirements.
• Robust design allows operation in harsh conditions.

Disadvantages

• Limited number of threshold voltage and reset time delay options may not cover all possible system configurations.
• Lack of integrated features for additional system monitoring or protection functions.

Working Principles

The TPS3852H33QDRBRQ1 is a voltage supervisor IC that monitors the system voltage and generates a reset signal when it falls below a specified threshold voltage. It operates by comparing the system voltage with an internal reference voltage. When the system voltage drops below the threshold, the reset signal is asserted, indicating a power failure or an out-of-specification condition. The manual reset input allows external control over the reset function. The open-drain RESET output can be connected to other devices for system-level coordination.

Detailed Application Field Plans

The TPS3852H33QDRBRQ1 is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some typical application fields include:

1. Automotive Electronics: Ensuring proper operation of critical systems such as engine control units, airbag systems, and safety modules.
2. Industrial Control Systems: Monitoring power supply integrity in PLCs (Programmable Logic Controllers), motor drives, and factory automation equipment.
3. Consumer Electronics: Protecting sensitive components and preventing data loss in smartphones, tablets, and gaming consoles.
4. Medical Devices: Ensuring patient safety by monitoring power supply stability in medical equipment like infusion pumps and patient monitors.
5. Internet of Things (IoT): Providing voltage supervision in IoT devices, smart home systems, and wearable electronics.

Detailed and Complete Alternative Models

1. TPS3850H33QDRBRQ1
2. TPS3851H33QDRBRQ1
3. TPS3852H33QDRBT
4. TPS3852H33QDRBTG4
5. TPS3852H33QDRBTG4Q1

These alternative models offer similar voltage supervisor functionality with slight variations in specifications and package options. Users can choose the most suitable model based on their specific requirements.

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