TPS65198
13-channel level shifter ICs for LCD and OLED displays
Manufacturer： ti
series introduction
# TPS65198 Product Series Introduction
## 1. Overview
The TPS65198 product series is a highly integrated power management solution developed by Texas Instruments. It is designed to meet the complex power requirements of a wide range of applications, especially in portable devices, industrial equipment, and consumer electronics. This series offers a comprehensive set of features that make it an ideal choice for designers looking to optimize power consumption, reduce board space, and enhance system reliability.
## 2. Key Features
### 2.1 High - Efficiency Power Conversion
- **Multiple Voltage Regulators**: The TPS65198 series typically includes multiple DC - DC converters, such as buck converters. These converters are capable of achieving high conversion efficiencies, often exceeding 90% in typical operating conditions. This high efficiency helps to minimize power losses and extend the battery life of portable devices. For example, in a battery - powered tablet, the efficient power conversion of the TPS65198 can significantly reduce the heat generated and allow for longer usage times between charges.
- **Low - Dropout (LDO) Regulators**: Alongside the DC - DC converters, the series also incorporates LDO regulators. These LDOs provide low - noise, stable output voltages, which are crucial for powering sensitive components such as RF modules, microcontrollers, and sensors. They can maintain a stable output voltage even when the input voltage varies within a certain range, ensuring the proper operation of the connected devices.
### 2.2 Integrated Power Sequencing
- **Flexible Sequencing Options**: The TPS65198 allows for precise control of the power - up and power - down sequences of different voltage rails. This is essential in systems where components have specific power requirements during startup and shutdown. For instance, in a multi - core processor system, the core voltage may need to be powered up before the I/O voltages to ensure proper initialization. The integrated power sequencing feature of the TPS65198 enables designers to configure these sequences easily, reducing the complexity of external sequencing circuits.
- **Power - Good Indicators**: It also provides power - good indicators for each voltage rail. These indicators can be used by the system to monitor the status of the power supplies and take appropriate actions, such as initiating a safe shutdown if a power rail fails to reach the specified voltage level.
### 2.3 Protection Features
- **Over - Voltage Protection (OVP)**: The TPS65198 is equipped with OVP circuits for each voltage output. In case of an over - voltage condition, the OVP will quickly shut down the corresponding regulator to protect the connected components from damage. This is particularly important in applications where voltage spikes can occur due to external factors such as power surges or faulty wiring.
- **Under - Voltage Lockout (UVLO)**: UVLO ensures that the regulators do not operate when the input voltage is below a certain threshold. This prevents the system from operating in an unstable state and protects the components from potential damage caused by low - voltage conditions.
- **Over - Current Protection (OCP)**: OCP limits the output current of the regulators to a safe level. If the load current exceeds the predefined limit, the regulator will either reduce the output voltage or shut down to prevent overheating and damage to the device.
### 2.4 Small Form Factor
- **Compact Package Design**: The TPS65198 series is available in small - footprint packages, such as QFN or BGA packages. This compact design is beneficial for applications where board space is limited, such as in smartphones, wearables, and other portable devices. By integrating multiple power management functions into a single chip, the TPS65198 reduces the need for external discrete components, further saving board space and
Images for reference
Image Preview
Image Preview
Image Preview