MAX14653
High-Current Overvoltage Protector with Adjustable OVLO
Combination of Ultra-Low On-Resistance and Integrated Surge Protection in a Tiny WLP Package Is Ideal for Portable Applications
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Overview
Features and Benefits
- Protect High-Power Portable Devices
- Wide Operating Input Voltage Protection from +2.5V to +28V
- Integrated 38mΩ (typ) n-Channel MOSFET Switch
- Flexible Overvoltage Protection Design
- Adjustable Overvoltage-Protection Trip Level
- Wide Adjustable OVLO Threshold Range from +4V to +20V
- Preset Internal Accurate OVLO Thresholds:
- 15.5V ±3.3% (MAX14653)
- 6.8V ±2.9% (MAX14654/MAX14717)
- 5.825V ±3% (MAX14655)
- Additional Protection Features Increase System Reliability
- Surge Immunity to +80V
- Soft-Start to Minimize In-Rush Current
- Internal 15ms Startup Debounce
- Thermal-Shutdown Protection
- Minimize PCB Area
- 12-Bump WLP (1.29mm x 1.83mm) Package
- -40°C to +85°C Operating Temperature Range
Product Details
The MAX14653/MAX14654/MAX14655/MAX14717 overvoltage protection devices feature a low 38mΩ (typ) RON internal FET and protect low-voltage systems against voltage faults up to +28VDC. An internal clamp also protects the devices from surges up to +80V. When the input voltage exceeds the overvoltage threshold, the internal FET is turned off to prevent damage to the protected downstream components.
The overvoltage protection threshold can be adjusted with optional external resistors to any voltage between 4V and 20V. With the OVLO input set below the external OVLO select voltage, the MAX14653/MAX14654/MAX14655/MAX14717 automatically choose the accurate internal trip thresholds. The internal overvoltage thresholds (OVLO) are preset to 15.5V typical (MAX14653), 6.8V typical (MAX14654/MAX14717), or 5.825V typical (MAX14655). The devices feature an open-drain active-low ACOK output indicating a stable supply between minimum supply voltage and VOVLO. The MAX14653/MAX14654/MAX14655/MAX14717 are also protected against overcurrent events by an internal thermal shutdown.
The MAX14653/MAX14654/MAX14655/MAX14717 are offered in a small 12-bump WLP package and operate over the -40°C to +85°C extended temperature range.
Applications
- Mobile Internet Devices
- Smart Phones
- Tablet PCs
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (3)
Documentation & Resources
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MAX14653 Reliability Data1/12/2023
Design Resources
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.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| MAX14653EWC+ | Material Declaration | Reliability Data | 12-WLCSP-N/A | |
| MAX14653EWC+T | Material Declaration | Reliability Data | 12-WLCSP-N/A | |
| Wafer Fabrication Data | MAX14653 Reliability Data |
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