MAX8521EWX+T Analog Devices Integrated Circuit (BGA) In Stock
Analog Devices MAX8521EWX+T is a compact TEC (thermoelectric cooler) power driver IC in a 36-ball WLCSP package, designed to drive Peltier modules with bidirectional current control for precise temperature stabilization in optical and laser applications. Available in stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 36
- Lifecycle
- ACTIVE
- Datasheet
- MAX8521EWX+T Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.0856(MOQ 250)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX8521EWX+T?
- Smallest TEC driver footprint in a 36-ball WLCSP package enabling miniaturized laser module designs
- Bidirectional H-bridge output delivers both heating and cooling currents to Peltier elements up to rated load
- PWM current control minimizes TEC driver power dissipation in battery-powered optical transceivers
- Operating range of -40°C to +85°C supports industrial and telecom temperature-controlled laser diode assemblies
What is MAX8521EWX+T used for?
The MAX8521EWX+T is primarily used in fiber-optic transceiver modules, laser diode assemblies, and precision temperature-controlled oscillators where a compact TEC driver must maintain a stable setpoint within fractions of a degree. Its WLCSP form factor suits space-constrained SFP and XFP optical module designs where a discrete H-bridge solution would be prohibitively large. Medical diagnostic lasers, infrared sensor coolers, and wavelength-stabilized DWDM sources also use this IC to achieve the sub-millikelvin temperature control that maximizes wavelength accuracy and output power stability.
What are the specifications of MAX8521EWX+T?
| Manufacturer Package Code | 36-WLCSP-N/A |
| Date Of Intro | 2002-11-22 |
| YTEOL | 8.5 |
| Interface IC Type | INTERFACE CIRCUIT |
| JESD-30 Code | S-PBGA-B36 |
| JESD-609 Code | e1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA36,6X6,20 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX8521EWX+T datasheet?
MAX8521EWX+T Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX8521EWX+T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output topology does the MAX8521EWX+T use to drive a Peltier TEC element, and what current levels are supported?
The MAX8521EWX+T uses an H-bridge output topology that can source and sink current to a Peltier cooler element, enabling both heating and cooling operation from a single IC. This bidirectional drive is essential for laser diode temperature stabilization, where the TEC must both remove excess heat above setpoint and add heat when ambient temperature drops below the target, typically over a range of several hundred milliamps.
How does the 36-ball WLCSP package of the MAX8521EWX+T compare to DIP or SOIC TEC drivers in SFP module designs?
The 36-ball WLCSP package occupies far less PCB area than equivalent SOIC-16 or DIP-16 solutions, making the MAX8521EWX+T viable inside the tight SFP or XFP module shells where board area is limited to a few square centimeters. The compact WLCSP footprint also reduces parasitic inductance in the TEC current path, improving control loop stability for sub-millikelvin temperature regulation of wavelength-critical DWDM laser sources.
Which cooling applications benefit from the MAX8521EWX+T over a simple linear current source for TEC control?
Applications requiring efficient bidirectional temperature control, such as cooled infrared detectors operating at -10°C to -20°C below ambient, benefit from the MAX8521EWX+T PWM H-bridge approach over a linear source because the switching driver wastes far less power as heat on the control side. In battery-operated instruments where total power budget may be under 2 W, this efficiency difference directly extends operating time between charges, making the WLCSP driver the preferred solution.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $11.7200 | $2930.00 |
| 500+ | $9.5028 | $4751.40 |
| 1000+ | $9.2999 | $9299.90 |
| 2500+ | $9.0856 | $22714.10 |
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