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Specifications
Voltage - Supply:
3V~3.6V
Mfr. Part #:
AS5050A-BQFT
Package:
QFN-16(4x4)
Key Attributes
Model Number:
AS5050A-BQFT
Product Description
AS5050A Low Power 10-Bit Magnetic Position Sensor
The AS5050A is a single-chip, on-axis magnetic rotary position sensor designed for low voltage and low power applications. It integrates a Hall element array, a high-resolution ADC, and a smart power management controller. The sensor transmits angle position, alarm bits, and magnetic field information via a 3-wire or 4-wire SPI interface. It is available in a compact QFN 16-pin 4x4x0.85 mm package and operates over a temperature range of -40C to 85C.
Key Benefits & Features
- Precise and reliable absolute angle measurement
- 10-Bit absolute angle position indication
- Very low power consumption (3A in low power mode)
- High reliability sensing, immune to external magnetic stray fields
- Synchronization between microcontroller and sensor via interrupt pin
- Ideal for small and compact designs (QFN-16 4x4 package)
- Industry-standard 3- or 4-wire SPI interface
Applications
- Servo motor control
- Battery operated systems
- Robotics
Technical Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units | Comments |
|---|---|---|---|---|---|---|---|
| DC supply voltage | VDD | 3.0 | 3.6 | V | |||
| Peripheral supply voltage | VDDp | 1.8 | VDD | V | |||
| Input pin voltage | VIN | -0.3 | VDDp + 0.3 | V | |||
| Ambient operating temperature | Tamb | -40 | 85 | C | |||
| Current consumption (Normal operating mode) | ION | 8.5 | mA | ||||
| Current consumption (Low power mode with deactivated POR) | IOFF | (POR_OFF = 0x5A) | 3 | A | |||
| Readout rate (Time between READ ANGLE command and INTERRUPT) | treadout | 500 | s | ||||
| Power up time (Minimum time after power up before sensor is operational) | tPwrUp | 580 | s | ||||
| Lateral displacement range (Misalignment of magnet center to die center) | Rd | 0.5 | mm | ||||
| Magnetic input field | BZ | 30 | 90 | mT | |||
| Noise (rms) (Gain = 00) | N00 | Within Bz00 magnetic input field range | 0.128 | degr ms | |||
| Noise (rms) (Gain = 01) | N01 | Within Bz01 magnetic input field range | 0.149 | degr ms | |||
| Noise (rms) (Gain = 10) | N10 | Within Bz10 magnetic input field range | 0.192 | degr ms | |||
| Noise (rms) (Gain = 11) | N11 | Within Bz11 magnetic input field range | 0.256 | degr ms | |||
| Integral Non Linearity | INL | Using Bomatec 6x2.5 mm NdFeB magnet with max x/y-displacement radius of 250 m from package center | -1.41 | 1.41 | deg | ||
| High level input voltage | VIH | 0.7 * VDDp | V | ||||
| Low level input voltage (VDDp > 2.7V) | VIL | 0.3 * VDDp | V | ||||
| Low level input voltage (VDDp < 2.7V) | VIL | 0.25 * VDDp | V | ||||
| Input leakage current | ILEAK | 1 | A | ||||
| High level output voltage | VOH | VDDp - 0.5 | V | ||||
| Low level output voltage | VOL | VSS + 0.4 | V | ||||
| Capacitive load | CL | 35 | pF | ||||
| Storage temperature | Tstrg | -55 | 125 | C | |||
| Package body temperature (Reflow peak soldering) | TBODY | 260 | C | IPC/JEDEC J-STD-020 | |||
| Moisture Sensitive Level | MSL | 3 | Max floor life 168h |
2411220427_OSRAM-AS5050A-BQFT_C17372987.pdf
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