MAX17303X+T Analog Devices Integrated Circuit (BGA) In Stock
MAX17303X+T is a 1-cell ModelGauge m5 EZ fuel gauge IC with integrated battery protector from Analog Devices. It provides accurate state-of-charge estimation using SHA-256 authentication and internal self-discharge detection. Packaged in a 15-ball WLCSP, it targets portable consumer electronics, wearables, and IoT devices requiring compact, secure battery management.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- MAX17303X+T Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0468(MOQ 500)
- 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 MAX17303X+T?
- ModelGauge m5 EZ algorithm delivers accurate 1-cell Li+ state-of-charge without battery characterization
- Integrated SHA-256 authentication protects against counterfeit battery packs
- Internal self-discharge detection extends battery life and improves safety in wearables
- Cascade function support enables multi-cell fuel gauge configurations
- Ultra-compact 15-ball WLCSP package suits space-constrained portable designs
What is MAX17303X+T used for?
The MAX17303X+T is designed for single-cell lithium-ion battery management in compact portable devices such as wearables, hearables, and IoT sensor nodes. Its SHA-256 authentication and self-discharge detection make it ideal for medical-grade portable equipment and smart accessories where battery safety and pack authentication are critical. The device also fits consumer electronics like wireless earbuds and portable trackers that demand precise state-of-charge reporting in a tiny form factor.
What are the specifications of MAX17303X+T?
| Manufacturer Package Code | 15-WLCSP-N/A |
| Date Of Intro | 2019-06-20 |
| YTEOL | 9 |
| Additional Feature | Cascade Function:N;CTL:Y;Integrated MOSFET:N;PS:N |
| Adjustable Threshold | YES |
| Analog IC - Other Type | BATTERY GAUGE |
| JESD-30 Code | R-PBGA-B15 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | BGA15,3X5,20 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 0.05mA |
| Supply Voltage-Max (Vsup) | 4.9V |
| Supply Voltage-Min (Vsup) | 2.3V |
| Supply Voltage-Nom (Vsup) | 3.6V |
| Surface Mount | YES |
| Terminal Finish | Tin/Silver/Copper/Nickel (Sn/Ag/Cu/Ni) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Threshold Voltage-Nom | +2.8V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX17303X+T datasheet?
MAX17303X+T Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX17303X+T?
Compatible alternatives and drop-in replacements for MAX17303X+T:
suggested
suggested
Frequently Asked Questions
What algorithm does the MAX17303X+T use for state-of-charge estimation, and how accurate is it?
The MAX17303X+T uses Analog Devices' ModelGauge m5 EZ algorithm, which delivers battery state-of-charge accuracy within ±1% for 1-cell Li+ batteries without requiring lengthy battery characterization. The algorithm operates across a -40°C to 85°C temperature range and self-calibrates to the battery's characteristics over time.
How does the SHA-256 authentication in MAX17303X+T protect a battery pack design?
The MAX17303X+T integrates SHA-256 cryptographic authentication directly into the fuel gauge IC, enabling the host processor to verify that a connected battery pack is genuine. This 256-bit challenge-response mechanism prevents counterfeit or substandard cells from being used, improving safety in consumer and medical portable devices with a 15-ball WLCSP footprint.
Which space-constrained applications benefit most from the MAX17303X+T WLCSP package?
The 15-ball WLCSP package of the MAX17303X+T, measuring approximately 1.6 mm × 2.0 mm, is well-suited for wearables, wireless earbuds, smart patches, and miniature IoT sensors where PCB space is below 10 mm². The integrated protector eliminates an external FET, saving additional board area compared to discrete gauge-plus-protector solutions.
Can MAX17303X+T support multi-cell cascade configurations, and what is needed?
Yes, the MAX17303X+T supports a cascade function that allows multiple fuel gauge ICs to be stacked for multi-cell series battery packs. Each cell requires 1 MAX17303X+T device operating from a 2.5 V to 4.9 V cell voltage range, and communication is coordinated through the I2C interface with unique addresses per cell.
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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 |
|---|---|---|
| 500+ | $2.1710 | $1085.48 |
| 1000+ | $2.1106 | $2110.58 |
| 2500+ | $2.0468 | $5117.10 |
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