TPS56C20
4,5-V- bis 17-V-, 12-A-Synchron-Abwärtswandler mit Spannungsskalierung
TPS56C20
- D-CAP2™ Control
- Input Voltage Range: 4.5V to 17V
- Switching Frequency: 500kHz
- Optimized for a 1.0µH to 2.2µH Inductor
- ±1% Output Voltage Accuracy
- Features via I2C Compatible Interface
- Output Voltage (VID): 0.6V to 1.87V in 10mV
- Auto-Skip Eco-mode™ ON/OFF (Light-load)
- Current Limit Target: 40% to 160%
- Enabling IC, Reading-back Power-good
- Hiccup Mode Protection ON/OFF
- IC Terminal Features
- Start-up by Using External Resistors
Output Voltage with VFB Pin: 0.6V to 1.87V - Adjustable Soft-start,
Monotonic Pre-Biased Start-up - Power-good
- I2C Address Programming (2bits)
- Start-up by Using External Resistors
- Cycle-by-Cycle Overcurrent Limiting Control
- Thermal Shutdown (TSD)
- Undervoltage Lockout (UVLO)
- TSSOP Package (PWP) with PowerPAD™
The TPS56X20 is a synchronous DC-DC converter IC (integrated circuit) with a voltage scaling control to power up micro-processors (MCUs) requiring core voltage (VCORE) tune-ups. After the initial power-up, the output voltage can be programmed/scaled by VID codes sent over an I2C compatible bus.
This step-down (buck) converter employs an adaptive on-time D-CAP2 mode control which provides a very fast transient response with no external components. Unlike traditional voltage-/current-mode controls, the D-CAP2 supports seamless transition between PWM mode for higher load and Eco-mode™ for light load. Eco-mode maintains high efficiency in light-load.
The TPS56X20 supports both ultra-low ESR ceramic capacitors and low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP. The device is optimized for a small 1.0µH to 2.2µH inductor saving PCB area.
The TPS56X20 devices are available in the HTSSOP package.
Technische Dokumentation
Typ | Titel | Datum | ||
---|---|---|---|---|
* | Data sheet | TPS56x20 4.5V to 17V Input, 12A/9A/7A/5A Output, Synchronous Step-Down Voltage Regulator with Voltage Scaling datasheet (Rev. E) | PDF | HTML | 27 Dez 2017 |
EVM User's guide | TPS56C20 Buck Converter Evaluation Module User's Guide (Rev. A) | PDF | HTML | 10 Jun 2021 | |
Application note | A Practical Approach to Higher Output Voltage Applications for I2C Based DC/DC C | 21 Apr 2017 |
Design und Entwicklung
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TPS56C20EVM-614 — TPS56X20 5A/7A/9A/12A Evaluierungsmodul für synchronen Abwärtswandler
The TPS56X20EVM-614 is an evaluation module for TPS56X20 series Step-Down voltage regulator family. This board supports four different output current converters TPS56520 (5A), TPS56720 (7A), TPS56920 (9A), and TPS56C20 (12A); the board is shipped with 12A version TPS56C20 mounted. By replacing IC (...)
TPS56C20 Unencrypted PSpice Transient Model Package (Rev. A)
Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
---|---|---|
HTSSOP (PWP) | 24 | Ultra Librarian |
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