MT8901AT-SD

MT890X Dual Hall Effect Latch with Speed & Direction Output 1 Product Description The MT890X family is a Hall-effect dual latch produced by BCD technology with both high performance and high reliability. The Hall IC internally includes an onchip Hall voltage generator, a voltage regulator for operation with supply voltage of 2.7V to 24V, temperature compensation circuitry, small-signal amplifier, Hall IC with dynamic offset cancellation system, Schmitt trigger and two open drain output, all in a single package. Two Hall plates are integrated on the same chip, and using the high precision of the wafer fabrication process to ensure a fixed spacing of 1.45mm between the sensing elements. The first Hall plate provide the speed signal output. The combination of both the Hall plate signals is then internally processed to directly deliver a direction signal output. 4 Applications ￭ Windows Lifter with Anti-Pinch Feature ￭ Rotation Speed & Direction Detection ￭ Linear Speed & Direction Detection The MT890X family provides SOT-23-6L for surface mount to customers & flat TO-94 for through-hole mount. All packages are RoHS compliant. 2 Features ￭ ￭ ￭ ￭ ￭ ￭ ￭ ￭ ￭ ￭ Two Integrated Hall Plates for Direction Detection 2.7~24V Operating VDD Range -40℃~150℃ Operating Temperature Package Option: SOT-23-6L Flat TO-94 Magnetic Sensitivity Option: MT8901 (BOP=25Gs, BRP=-25Gs) Speed & Direction Open-Drain Output Dual Speed Open-Drain Output Self-diagnosis -30V Reversed Power Supply Protection Output Over Current Protection RoHS Compliant: (EU)2015/863 3 Product Overview of MT890X SOT-23-6L, tape & reel (3000pcs/bag) MT890XAT-SD SOT-23-6L, tape & reel (3000pcs/bag) Description SP1 1 Speed Signal Out1 NC 2 Unconnected SP2 or DIR 3 Speed Signal Out2 or Direction Signal Out VDD 4 Power Supply GND 5 Ground GND 6 Ground Flat TO-94 No. Description VDD 1 Power Supply SP2 or DIR 2 Speed Signal Out2 or Direction Signal Out SP1 3 Speed Signal Out1 GND 4 Ground 4 MT890XAT-SS No. 5 Description SOT-23-6L 6 Part No. 5 Pin Configuration and Functions H1 VDD GND H1 H2 按钮 SP1 GND 3 SP2 or DIR SP2 or DIR 2 Figure.1 Vcc NC 1 Note: SS: SP1 + SP2 SD: SP1 + DIR 1 2 3 4 Pin Configuration & Functions SOT-23-6L & Flat TO-94 Top-View magntek.com.cn | Magnetic Tech Makes Magic Change H2 1.45mm SP1 MT890XA-SD GND MT890XA-SS Flat TO-94, bulk packaging (1000pcs/bag) Flat TO-94, bulk packaging (1000pcs/bag) 1.45 mm 1 Rev 1.3 MT890X Dual Hall Effect Latch with Speed & Direction Output Table of Contents 1 Product Description………...…….……………….……...…………………………………….…….………1 2 Features……………………………….……..……………………………………………………………….…….1 3 Product Overview of MT890X ..…………………………………………………………………………1 4 Applications……………………………………………………………………………………………………….1 5 Pin Configuration and Functions…………………………………………………….………………….1 6 Functional Block Diagram…………………………………………………………………………………..3 7 Electrical and Magnetic Characteristics………………………………………………………………3 7.1 Absolute Maximum Ratings………………………………………………………………………………….3 7.2 Electrical Specifications………….……………………………………………………………………………..4 7.3 ESD Rating……………………………………………………………………………………………………………4 7.4 Magnetic Characteristics ……………………………………………………………………………………..5 7.4.1 MT8901 Series …………..………………………………………………………………………………5 7.5 Characteristic Performance………………………………………………………………………………..5 8 Output Behavior vs. Magnetic Pole (SP1+ SP2 Mode)…..…………..……………………….6 8.1 Typical Output Waveform (SP1+ SP2 Mode)……………….……………………………………....6 9 Output Behavior vs. Magnetic Pole (SP1 + DIR Mode)………………….……………………7 9.1 Typical Output Waveform (SP1 + DIR Mode)…………………………………………………….....7 10 Typical Application Circuit……………………………………………..…….…………………………..8 11 Self-diagnosis…………………..………………………………………………………………………………9 12 Package Material Information…………………………………………………………………………11 11.1 SOT-23-6L Package Information…………………….…………………………………………………11 11.2 Flat TO-94 Package Information……………………………………………………………………..12 13 Copy Rights and Disclaimer……………………………………………………………………………..13 1 2 3 Original Version Version 1.1 Version 1.2 4 Version 1.3 Reversion History Update marking spec Update MT890XA Series Update the description of self-diagnosis Add characteristic performance magntek.com.cn | Magnetic Tech Makes Magic Change 2 Rev 1.3 MT890X Dual Hall Effect Latch with Speed & Direction Output 6 Functional Block Diagram VDD Regulator Limiting Current Protection Hall Plate 1 AMP COMP Hall Plate 2 AMP COMP SP1 Open Drain Output Direction Detection Open Drain Output SP2 or DIR Reference GND Figure.2 Functional Block Diagram 7 Electrical and Magnetic Characteristics 7.1 Absolute Maximum Ratings Absolute maximum ratings are limited values to be applied individually, and beyond which the serviceability of the circuit may be impaired. Functional operability is not necessarily implied. Exposure to absolute maximum rating conditions for an extended period of time may affect device reliability. Symbol Parameters Min Max Units VDD Supply Voltage - 30 V VRDD Reverse Battery Voltage -30 - V VOUT Output Voltage -0.7 30 V IOUT Continuous Output Current - 40 mA TA Operating Ambient Temperature -40 150 ℃ TS Storage Temperature -50 160 ℃ TJ Junction Temperature - 165 ℃ B Magnetic Flux Density magntek.com.cn | Magnetic Tech Makes Magic Change No Limit 3 Gs Rev 1.3 MT890X Dual Hall Effect Latch with Speed & Direction Output 7.2 Electrical Specifications At TA=-40~150 ℃, VDD=2.7V~24V (unless otherwise specified) Symbol Parameters Test Condition Min Typ Max Unit VDD Supply Voltage Operating 2.7 - 24 V IDD Supply Current FS=100kHz - 4.5 7.5 mA IOCP Short Circuit Protection Current B>BOP, VOUT=VDD - 30 - mA VDSON Output Saturation Voltage IOUT=10mA, B>BOP - - 0.4 V IOFF Output Leakage Current VOUT=24V, ∣B∣5V/uS B>BOP(MAX) - 20 30 us FS Sampling Frequency - 100 - KHz TD Delay Time - 1.2 - us Thermal Resistance of SOT-23-6L - 301 - ℃/W RTH Refer to Figure.5 Thermal Resistance of Flat TO-94 230 ℃/W Notes: (1) TPO here is defined when self-diagnosis is disabled. If self-diagnosis is enabled, please refer to the tedge3 in Part 11 (Self-diagnosis) 7.3 ESD Ratings Symbol VESD Reference Values Unit Human-body model (HBM) AEC-Q100-002 Class H3 Grade Charged-device model (CDM) AEC-Q100-011 Class C3 Grade magntek.com.cn | Magnetic Tech Makes Magic Change 4 Rev 1.3 MT890X Dual Hall Effect Latch with Speed & Direction Output 7.4 Magnetic Characteristics At VDD=2.7V~24V (unless otherwise specified) 7.4.1 MT8901 Series Parameter Symbol Min Typ Max Unit Operating Point BOP, TA =25℃ 10 25 40 Gs Release Point BRP, TA =25℃ -40 -25 -10 Gs Hysteresis Window BHYST, TA =25℃ 20 50 80 Gs Magnetic Matching BOP1-BOP2 or BRP1-BRP2, TA=25℃ -10 10 Gs Magnetic Offset BOP1+BRP1 or BOP2+BRP2, TA=25℃ -10 10 Gs Temperature Coefficient Hall Sensor Spacing -1000 ppm/℃ 1.45 mm 7.5 Characteristic Performance Supply Current (mA) 6 5.5 5 VDD=5V 4.5 VDD=2.7V 4 VDD=12V 3.5 VDD=24V 3 -40 Magnetic Field Intensity (Gs) Figure.3 25 85 125 150 Supply Current vs. Temperature & VDD 30 Bop @ VDD=2.7V 20 Brp @ VDD=2.7V Bop @ VDD=5V 10 Brp @ VDD=5V 0 -10 -40 0 25 85 125 Bop @ VDD=12V 150 Brp @ VDD=12V -20 Bop @ VDD=24V -30 Brp @ VDD=24V Figure.4 Magnetic Field Intensity (Gs) 0 Magnetic Characteristics vs. Temperature & VDD (BOP & BRP) 60 55 50 Bhyst @ VDD=2.7V 45 Bhyst @ VDD=5V 40 Bhyst @ VDD=12V 35 Bhyst @ VDD=24V 30 -40 Figure.5 0 25 85 125 150 Magnetic Characteristics vs. Temperature & VDD (BHYST) magntek.com.cn | Magnetic Tech Makes Magic Change 5 Rev 1.3 MT890X Dual Hall Effect Latch with Speed & Direction Output 8 Output Behavior vs. Magnetic Pole (SP1 + SP2 Mode) Part No. Parameter Test Conditions SP Output State SOT-23 Series South Pole B>BOP Low North Pole BBOP Low South Pole B