Overview
The TPS25830A-Q1 is a USB Type-C and BC1.2 charging port controller developed by Texas Instruments. This component integrates a synchronous DC/DC converter and is designed to meet the stringent requirements of automotive and other high-reliability applications. It features cable droop compensation, ensuring that the VBUS voltage remains constant regardless of the load current, thus optimizing the charging of connected portable devices. The device includes high bandwidth analog switches for DP and DM pass-through and supports various protection mechanisms, including short-to-battery and short-to-VBUS protection.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | VQFN (RHB) with 32 pins | 5x5 mm |
| Operating Temperature Range | -40°C to 125°C | - |
| Input Voltage Range | 4.5 V to 36 V | - |
| Output Current | 3.5 A | - |
| Output Voltage | 5.1 V with ±1% accuracy | - |
| Switching Frequency | 300 kHz to 2.2 MHz | - |
| ESD Classification | HBM: Level H2, CDM: Level C5 | - |
| Protection Features | Short-to-battery, short-to-VBUS, overvoltage, overcurrent, undervoltage lockout, die overtemperature | - |
| Compliance | USB-IF standards, USB BC1.2, MFI compliant | - |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1: –40°C to +125°C.
- Synchronous buck DC/DC regulator with current mode control and internal compensation.
- Adjustable frequency: 300 kHz to 2.2 MHz, with frequency synchronization to external clock.
- FPWM with spread-spectrum dithering for reduced EMI.
- Cable droop compensation up to 1.5 V to maintain constant VBUS voltage regardless of load current.
- High bandwidth analog switches for DP and DM pass-through.
- Integrated protection features including cycle-by-cycle current limit, hiccup short-circuit protection, undervoltage lockout, VBUS overvoltage and overcurrent, CC overvoltage and overcurrent, data line (Dx) short to VBUS and VBAT, and die overtemperature protection.
- Client mode for USB firmware update.
- User-programmable USB current limit and MFI over-current limit compliant).
Applications
- Automotive infotainment systems.
- USB media hubs).
- USB charger ports).
Q & A
- What is the TPS25830A-Q1 used for?
The TPS25830A-Q1 is used as a USB Type-C and BC1.2 charging port controller with a synchronous DC/DC converter, particularly in automotive and high-reliability applications).
- What is the operating temperature range of the TPS25830A-Q1?
The operating temperature range is –40°C to 125°C).
- What is the input voltage range of the TPS25830A-Q1?
The input voltage range is 4.5 V to 36 V).
- What is the maximum output current of the TPS25830A-Q1?
The maximum output current is 3.5 A).
- Does the TPS25830A-Q1 support data line short-to-VBAT protection?
- What are the ESD classification levels for the TPS25830A-Q1?
The ESD classification levels are HBM: Level H2 and CDM: Level C5).
- Is the TPS25830A-Q1 compliant with USB-IF standards?
- What is the purpose of cable droop compensation in the TPS25830A-Q1?
Cable droop compensation ensures that the VBUS voltage remains constant regardless of the load current, optimizing the charging of connected portable devices).
- Can the switching frequency of the TPS25830A-Q1 be adjusted?
- Does the TPS25830A-Q1 support client mode for USB firmware updates?
