MAX17050X+ Analog Devices Integrated Circuit (BGA) In Stock
The MAX17050X+ is a 1-cell Li-ion battery fuel gauge IC using the ModelGauge m3 algorithm for accurate state-of-charge estimation, available in a tiny 9-bump WLCSP package for space-critical portable and wearable designs.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- MAX17050X+ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.9000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- ModelGauge m3 algorithm for accurate 1-cell Li-ion battery state-of-charge estimation
- 9-bump WLCSP (3x3 mm grid, 1.6 mm pitch) for ultra-compact portable designs
- Single-channel battery gauge with I2C host interface for MCU integration
- Supports battery capacity learning and temperature compensation over life
- Long 10-year YTEOL confirming active production availability
- Eliminates need for a discrete sense resistor in some circuit configurations
Applications
The MAX17050X+ is primarily used in smartphones, tablets, and wearable devices where accurate battery fuel gauging in a minimal footprint is essential for displaying reliable charge percentage to the user. Its ModelGauge m3 algorithm continuously compensates for battery aging, temperature, and load variation, making it suitable for medical wearables and IoT devices that require battery runtime prediction without frequent calibration.
Specifications
| Manufacturer Package Code | 9-WLCSP-N/A |
| Date Of Intro | 2011-09-16 |
| YTEOL | 10 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | BATTERY GAUGE |
| JESD-30 Code | R-XBGA-B9 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | BGA9,3X3,16 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.042mA |
| Supply Voltage-Max (Vsup) | 4.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 3.6V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Silver/Copper/Nickel (Sn/Ag/Cu/Ni) |
| Terminal Form | BALL |
| Terminal Pitch | 0.4mm |
| 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 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the ModelGauge m3 algorithm in MAX17050X+ improve state-of-charge accuracy over traditional coulomb-counting methods?
ModelGauge m3 combines voltage-based open-circuit voltage modeling with coulomb counting and temperature compensation into a single algorithm, achieving state-of-charge accuracy within 1% under typical operating conditions. Traditional coulomb counters accumulate error over time, while ModelGauge m3 self-corrects using the battery's open-circuit voltage characteristic at rest states.
What package does the MAX17050X+ use, and how small is its board footprint for wearable integration?
The MAX17050X+ is supplied in a 9-bump WLCSP with a 3x3 bump grid on a 1.6 mm pitch, resulting in a very small die-level package footprint. This is substantially smaller than an equivalent SOIC-8 solution and allows integration alongside the battery protection IC in the most space-constrained wearable or earbud designs.
Can MAX17050X+ operate with standard Li-ion cells from multiple battery vendors, or does it require factory calibration per cell type?
The MAX17050X+ uses a ModelGauge m3 algorithm that adapts to the specific battery cell chemistry through a model characterization step during system design. Once the cell model is programmed into the IC registers, it accurately tracks state-of-charge across the full 0% to 100% range for that cell regardless of aging effects or temperature changes from -40°C to 85°C.
Is the MAX17050X+ a long-term supply option, and how should purchasing teams plan inventory given its lifecycle status?
With a YTEOL of 10 years, the MAX17050X+ is actively supported with a long supply horizon, reducing lifecycle risk for consumer and medical product designs. Buyers can plan standard 6 to 12 month inventory positions without concern for near-term end-of-life, though verifying distributor lead times of several weeks is advised for volume orders.
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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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $7.8000 | $7.80 |
| 2+ | $5.2000 | $10.40 |
| 6+ | $3.9000 | $23.40 |
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