Overview
The CSD88584Q5DC is a 40V half-bridge power block designed by Texas Instruments for high-current motor control applications. It is particularly suited for handheld, cordless garden and power tools. This device utilizes TI's patented stacked die technology to minimize parasitic inductances, offering a complete half bridge in a thermally enhanced DualCool™ 5mm × 6mm package. The exposed metal top of the package allows for simple heat sink application, enhancing thermal performance and heat dissipation away from the PCB.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage Rating | 40 | V |
| Package Type | SON 5mm × 6mm | |
| Maximum Current | 50 | A |
| RDS(ON) | Low (minimized conduction losses) | mΩ |
| Power Loss at 35A | 2.4 | W |
| Thermal Resistance (Junction-to-Ambient) | 125 | °C/W |
| Thermal Resistance (Junction-to-Case) | 2.1 | °C/W |
| Input Capacitance | 9540 - 12400 | pF |
| Output Capacitance | 957 - 1240 | pF |
| Gate Charge Total (4.5V) | 68 - 88 | nC |
| Turn-on Delay Time | 11 | ns |
| Rise Time | 24 | ns |
| Turn-off Delay Time | 53 | ns |
| Fall Time | 17 | ns |
Key Features
- Half-bridge power block
- High-density SON 5mm × 6mm footprint
- Low RDS(ON) for minimized conduction losses
- 2.4W power loss at 35A
- DualCool™ thermally enhanced package
- Ultra-low-inductance package
- RoHS compliant, halogen free, and lead-free terminal plating
Applications
The CSD88584Q5DC is designed for high-current motor control applications, particularly in:
- Handheld, cordless garden tools
- Power tools
- Three-phase bridge for brushless DC motor control
- Up to 8s battery power tools
- Other half and full bridge topologies
Q & A
- What is the voltage rating of the CSD88584Q5DC?
The voltage rating of the CSD88584Q5DC is 40V.
- What is the maximum current handling capability of the CSD88584Q5DC?
The maximum current handling capability is 50A.
- What type of package does the CSD88584Q5DC use?
The CSD88584Q5DC uses a high-density SON 5mm × 6mm package.
- What is the thermal enhancement feature of the CSD88584Q5DC?
The device features a DualCool™ thermally enhanced package with an exposed metal top for improved heat dissipation.
- Is the CSD88584Q5DC RoHS compliant?
Yes, the CSD88584Q5DC is RoHS compliant, halogen free, and has lead-free terminal plating.
- What are the typical applications of the CSD88584Q5DC?
Typical applications include handheld, cordless garden tools, power tools, and three-phase bridge for brushless DC motor control.
- How does the CSD88584Q5DC minimize parasitic inductances?
The device utilizes TI's patented stacked die technology to minimize parasitic inductances.
- What is the power loss at 35A for the CSD88584Q5DC?
The power loss at 35A is approximately 2.4W.
- What are the key thermal metrics for the CSD88584Q5DC?
The junction-to-ambient thermal resistance is 125°C/W, and the junction-to-case thermal resistance is 2.1°C/W.
- How is the PCB layout important for the CSD88584Q5DC?
A proper PCB layout is crucial for optimizing both electrical and thermal performance, especially in high-power inverter applications.
