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Updated at 01/11/2025 10:30:15(UTC+8)
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Description
- The TPS28225D is a 8-pin High Frequency Sink Synchronous MOSFET Driver with adaptive dead-time control. This driver is optimized for use in variety of high-current one and multi-phase DC-to-DC converters. This is a solution that provides high efficiency, small size and low EMI emissions. The efficiency is achieved by up to 8.8V gate drive voltage, 14ns adaptive dead-time control, 14ns propagation delays and high-current 2A source and 4A sink drive capability. The 0.4R impedance for the lower gate driver holds the gate of power MOSFET below its threshold and ensures no shoot-through current at high dV/dt phase node transitions. The bootstrap capacitor charged by an internal diode allows use of N-channel MOSFETs in a half-bridge configuration. The TPS28225 features a 3-state PWM input compatible with all multi-phase controllers employing 3-state output feature. As long as the input stays within 3-state window for the 250-ns hold-off time, the driver switches both outputs low.
- Drives two N-channel MOSFETs with 14ns adaptive dead time
- Wide Power system train input voltage (3 up to 27V)
- Wide input PWM signals (2.0 up to 13.2V amplitude)
- Capable to drive MOSFETs with >=40A current per phase
- High frequency operation (14ns propagation delay and 10ns rise/fall time allow FSW 2MHz)
- Capable to propagate <30ns input PWM pulses
- Low-side driver sink on-resistance (0.4R) prevents dV/dT related shoot-through current
- 3-state PWM input for power stage shutdown
- Space saving enable (input) and power good (output) signals on same pin
- Thermal shutdown
- UVLO protection
- Internal bootstrap diode
- Green product and no Sb/Br
- This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
TPS28225D Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | SOIC-8 |
| Supply Voltage (DC) | 8.00V (max) |
| Rise/Fall Time | 10 ns |
| Number of Outputs | 2 Output |
| Output Voltage | 33.3 V |
| Output Current | 6.00 A |
| Number of Positions | 8 Position |
| Power Dissipation | 1.25 W |
| Rise Time | 10 ns |
| Output Current (Max) | 4 A |
| Fall Time | 10 ns |
| Fall Time (Max) | 10 ns |
| Fall Time (Max) | 10 ns |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 1250 mW |
| Supply Voltage | 4.5V ~ 8.8V |
| Supply Voltage (Max) | 8 V |
| Supply Voltage (Min) | 4.5 V |
| Show | |
| Size-Length | 4.9 mm |
| Size-Width | 3.91 mm |
| Size-Height | 1.58 mm |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/06/15 |
| ECCN Code | EAR99 |
Order guide
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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