MAX6516
Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23
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Low-Cost, 2.7V to 5.5V, Analog Temperature-Sensor Switches in a SOT23 Assert a Logic Signal when Their Die Temperature Crosses a Factory-Programmed Threshold
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Features
- High Accuracy ±1.5°C (max) Over -15°C to +65°C Temperature Range
- Low Power Consumption—22µA Typical Current
- Factory-Programmed Thresholds from -45°C to +115°C in 10°C Increments
- Analog Output to Allow Board-Level Testing
- Open-Drain or Push-Pull Outputs
- Pin-Selectable 2°C or 10°C Hysteresis
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The MAX6516–MAX6519 low-cost, fully integrated temperature switches assert a logic signal when their die temperature crosses a factory-programmed threshold. Operating from a 2.7V to 5.5V supply, these devices feature a fixed voltage reference, an analog temperature sensor, and a comparator. They are available with factory-trimmed temperature trip thresholds from -45°C to +115°C in 10°C increments, and are accurate to ±0.5°C (typ). These devices require no external components and typically consume 22µA of supply current. Hysteresis is pin selectable at 2°C or 10°C.
The MAX6516–MAX6519 are offered with hot-temperature thresholds (+35°C to +115°C), asserting when the temperature is above the threshold, or with cold-temperature thresholds (-45°C to +15°C), asserting when the temperature is below the threshold.
These devices provide an analog output proportional to temperature and are stable with any capacitive load up to 1000pF. The MAX6516–MAX6519 can be used over a range of -55°C to +125°C with a supply voltage of 2.7V to 5.5V. For applications sensing temperature down to -45°C, a supply voltage above 4.5V is required.
The MAX6516 and MAX6518 have an active-high, push-pull output. The MAX6517 and MAX6519 have an active-low, open-drain output. These devices are available in a space-saving 5-pin SOT23 package.
Applications
- Fan Control
- Notebook, Desktop PCs
- Over/Undertemperature Protection
- RAID
- Servers
- Temperature Alarms
- Temperature Control
- Test Equipment
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
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Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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MAX6516
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MAX6516-MAX6519: Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23 Data Sheet (Rev.1)
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
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SamacSys
- MAX6516UKP075+T
- Pin/Package Drawing
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Small-Outline Transistor Package
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
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PCN
Jan 11, 2021
- 1703RN
ASSEMBLY
MAX6516UKP075+
PRODUCTION
MAX6516UKP075+T
PRODUCTION
Feb 4, 2015
- 1341_CANCELLATION
ASSEMBLY
MAX6516UKP075+T
PRODUCTION
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Part Models
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Jan 11, 2021
- 1703RN
ASSEMBLY
Feb 4, 2015
- 1341_CANCELLATION
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Software & Part Ecosystem
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Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23 |
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PRODUCTION |
Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23 |
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PRODUCTION |
Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23 |
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PRODUCTION |
Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23 |
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AD-PAARRAY3552R-SL
RF Front-end GaN Power Amplifier Biasing, Protection, and Control Reference Design
Features and Benefits
- Designed to cover full Tx signal chains with integrated MCU and user-friendly GUI for faster and easier integration
- Supports fault event protection - overvoltage (OV), overcurrent (OC), and overtemperature (OT)
- Supports ultrafast sub-µs GaN gate voltage switching ~ (<1 µs)
- Supports ultrafast (<10 µs) fault event protection from detection up to GaN gate pinch-off
- Wide range of gate bias voltages from -10 V to +10 V
- Configurable power-up and power-down sequence
Product Detail
The AD-PAARRAY3552R-SL reference design provides control, protection, and proper biasing sequence for GaN power amplifier (PA) arrays. The design incorporates the AD3553R high-speed, dual-channel, 16-bit DAC to support the ultrafast sub-µs voltage settling time of GaN gates.
Key fault events, including overvoltage, overcurrent, and overtemperature, are effectively managed by the LTC7000, a static switch driver responsible for system fault protection.
The on-board MAX32666 ultralow-power ARM® Cortex®-M4 microprocessor provides essential debug and programming features for a comprehensive software development experience with the system. The system's firmware is built on ADI's open-source no-OS framework and includes a user-friendly graphical interface (GUI) for evaluation. Updates are easily applied through an SWD UART bootloader, streamlining prototyping.
The system can be powered by an external +48 V supply, requiring high current capabilities.
APPLICATIONS
- 5G massive MIMOs
- Macro base stations
| Fault Events | |
| Fault | Default Limit |
| Overvoltage | +55 V |
| Overcurrent | 3.5 A |
| Overtemperature | 75°C |
| Output Ports | |
| Port Name | No. of ports |
| GaN gate ports | 6 |
| +48 V Gan drain ports | 4 |
| +5 V ports | 5 |
| Enable ports | 2 |
| Power Supply | |
| External | +48 V DC at 5 A |
| Operating Conditions | |
| Temperature Range | 45°C to +75°C |
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