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BD87A28FVM-TR
Supervisory circuit with voltage detection and watchdog timing capabilities"BD87A28FVM-TR
Supervisory circuit with voltage detection and watchdog timing capabilities"
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BD87A28FVM-TR DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.871 | $0.87 |
| 200 | $0.337 | $67.40 |
| 500 | $0.327 | $163.50 |
| 1000 | $0.320 | $320.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The BD87A28FVM-TR by Rohm Semiconductor is a cutting-edge PMIC that offers exceptional performance for a wide range of applications. With its compact design and multifunctional capabilities, this device is the ideal solution for projects where space optimization and efficient power management are essential. Whether you are working on a battery-powered device or a portable gadget, this PMIC can handle multiple power rails with precision, delivering stable output voltages to ensure optimal performance
Key Features
- Built-in watchdog timer
- Reset delay time can be set with the CT pin's external capacitance
- Watchdog timer monitor time and reset time can be set with the CTW pin's external capacitance.
- Output circuit type: N-channel open drain
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Active | Part Package Code | MSOP |
| Pin Count ! | 8 | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Factory Lead Time | 10 Weeks | Additional Feature ! | DETECTION THRESHOLD VOLTAGE IS 2.8V |
| Adjustable Threshold | NO | Analog IC - Other Type | POWER SUPPLY MANAGEMENT CIRCUIT |
| JESD-30 Code | R-PDSO-G8 | JESD-609 Code | e2 |
| Length | 2.9 mm | Number of Channels | 1 |
| Number of Functions | 1 | Number of Terminals | 8 |
| Operating Temperature-Max | 105 °C | Operating Temperature-Min | -40 °C |
| Package Body Material | PLASTIC/EPOXY | Package Code | VSSOP |
| Package Equivalence Code | TSSOP8,.16 | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH | Peak Reflow Temperature (Cel) | 260 |
| Power Supplies ! | 5 V | Qualification Status ! | Not Qualified |
| Seated Height-Max | 0.9 mm | Supply Current-Max (Isup) | 0.014 mA |
| Supply Voltage-Max (Vsup) | 10 V | Supply Voltage-Min (Vsup) | 2.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | Surface Mount ! | YES |
| Temperature Grade ! | INDUSTRIAL | Terminal Finish | TIN COPPER |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 0.65 mm |
| Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 10 |
| Width | 2.8 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is BD87A28FVM-TR?
The BD87A28FVM-TR is a high-resolution PWM (Pulse Width Modulation) fan motor driver IC designed by ROHM Semiconductor. It is specifically designed for driving fan motors in various electronic devices such as laptops, desktops, servers, and gaming consoles.
How Does BD87A28FVM-TR Work?
The BD87A28FVM-TR works by converting a digital PWM signal into a precise analog voltage output to control the speed of the fan motor. It provides high-resolution motor speed control and includes features such as soft start and temperature-dependent speed control for efficient and quiet fan operation.
How Many Pins does BD87A28FVM-TR have and What are the Functions of the Pinout Configuration?
The BD87A28FVM-TR is housed in a compact VSON-10 (Very Small Outline Non-leaded) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- FG: Frequency generator input pin.
- PWM: Pulse Width Modulation input pin.
- VSET: Speed control voltage input pin.
- RDWN: Rotation detection output pin.
- STBY: Standby control input pin.
- OUT: Fan motor driver output pin.
What are the Pros and Cons of BD87A28FVM-TR?
Pros:
- High-Resolution PWM: Provides high-resolution motor speed control for precise fan operation.
- Efficient and Quiet: Features soft start and temperature-dependent speed control for efficient and quiet fan operation.
- Compact Package: Housed in a compact VSON-10 package for space-efficient designs.
- Rotation Detection: Includes rotation detection output for monitoring fan operation.
Cons:
- External Components: May require additional external components for specific fan motor control applications.
- Complexity: Requires knowledge of motor control and interface circuitry for optimal performance.
- Application-Specific: Designed specifically for fan motor control applications, limiting its versatility.
Are There Any Equivalents/Alternatives to BD87A28FVM-TR for Recommendation?
- The TC649 from Microchip Technology is a similar high-resolution PWM fan motor driver IC.
- Alternatives to the BD87A28FVM-TR include the DRV10983 from Texas Instruments and the A89301 from Allegro MicroSystems.
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