MAX44284HAWT+ Analog Devices Integrated Circuit (BGA) In Stock
The MAX44284HAWT+ is a high-precision, low-power current-sense amplifier from Analog Devices supporting up to 36 V common-mode input voltage. Featuring 145 dB CMRR, 28 µV max input offset voltage, and a 6-ball WLCSP package, it enables accurate current monitoring in compact power management and battery charging designs.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- MAX44284HAWT+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 36 V input common-mode voltage range for high-voltage current sensing
- 145 dB common-mode rejection ratio for precise differential measurement
- 28 µV maximum input offset voltage for high-accuracy current monitoring
- Low input bias current of 0.08 µA for minimal shunt resistor loading
- Tiny 6-ball WLCSP package for ultra-compact PCB integration
- Single-supply low-power operation for battery and portable applications
Applications
The MAX44284HAWT+ is used in battery management systems, DC motor current monitoring, and power-supply current sensing where high common-mode voltages up to 36 V must be handled with precision. Its ultra-small WLCSP footprint and low offset voltage make it suitable for wearables, portable medical devices, and automotive sub-system power monitoring applications.
Specifications
| Manufacturer Package Code | 6-WLCSP-N/A |
| Date Of Intro | 2013-12-20 |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Average Bias Current-Max (IIB) | 0.08 µA |
| Common-mode Reject Ratio-Nom | 145dB |
| Input Offset Voltage-Max | 28 µV |
| JESD-30 Code | R-PBGA-B6 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA6,2X3,16 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| 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 | 8542.33.00.01 |
| 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
What common-mode voltage range does the MAX44284HAWT+ support for high-side current sensing?
The MAX44284HAWT+ supports a common-mode input voltage range up to 36 V, making it suitable for high-side current sensing in 12 V and 24 V industrial or automotive power rails where the shunt resistor sits above ground.
How does the 145 dB CMRR of the MAX44284HAWT+ benefit precision current measurement in noisy environments?
A 145 dB common-mode rejection ratio (CMRR) means the MAX44284HAWT+ suppresses common-mode noise and power-line interference by more than 145 dB relative to the differential signal, resulting in highly accurate current readings even when the common-mode voltage fluctuates by several volts.
What is the physical size and package type of the MAX44284HAWT+, and how does it help space-constrained designs?
The MAX44284HAWT+ is supplied in a 6-ball WLCSP package, one of the smallest available for amplifiers, allowing designers to place a precision current-sense circuit within a few square millimeters on dense wearable or portable medical device PCBs.
Is the MAX44284HAWT+ suitable for automotive battery monitoring applications given its operating range?
Yes. With a 36 V common-mode range, 28 µV maximum offset, and automotive-grade temperature support up to 125°C for the H-grade variant, the MAX44284HAWT+ is a strong fit for 12 V automotive battery current monitoring and start-stop system sensing.
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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.
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