SOT-23-3 REDROCK RR122-1A52-511 TMR DIGITAL PUSH-PULL MAGNETIC SENSOR REDROCK RR122-1A53-511 1 Description 2 Features u Operate sensitivity of 9 G The RedRock RR122-1A52-511 and RR122-1A53-511 are digital mag- u Lowest Average Current < 1.2 mA netic sensors ideal for use in medical, industrial, automotive, and u Wide Supply Voltage range of 1.7V 5.5V consumer applications. They are based on patented Tunneling Mag- u Omnipolar Push-Pull Response netoresistance (TMR) technology with seamless CMOS integration. u Operating Frequency of 250 Hz u Temperature Rated up to 125C The RR122-1A52-511 and RR122-1A53-511 feature an operate sensitiv- u RoHS & REACH Compliant ity of 9 G (0.9 mT), with an omnipolar magnetic field response. They offer a wide supply voltage range from 1.7 up to 5.5 V, ideal for appli - 3 Applications cations ranging from small battery-powered electronics to industrial machinery. They have extremely low average current drain (1.2 mA) u Proximity Detection for an active magnetic sensor operating at 250 Hz and high operat- u Rotary Sensing ing temperature range from -40C up to +125C. u Fluid Level Detection u Door & Lid Closure Detection u Utility Meters u Motor Controllers u Consumer Electronics Device Packages Device Information Part Series Package Body Size (mm) Temp Rating C - + RR122-1A52-511 SOT-23-3 2.9 x 1.6 x 1.2 40 to 85 - + RR122-1A53-511 SOT-23-3 2.9 x 1.6 x 1.2 40 to 125 Device Nomenclature Ordering Information Functional Block Diagram RR122-X X X X-Y Y Y for Digital Push-Pull Output Package Series VDD 1: SOT-23-3 Magnetic Polarity Response 2: LGA-4 1 = Omnipolar 3 = Bipolar/Latch 5: SOT-23-5 2 = Unipolar CURRENT DUTY CYCLE SOURCE CONTROL Output Response Magnetic Sensitivity (G) 1: Active Low A: Op 9, Rel 5 E: Op 15, Rel 10 B: Op 30, Rel 20 F: Op 70, Rel 50 Supply Voltage (V) TMR DIGITAL C: Op 10, Rel -10 OUTPUT 5: 1.7 -- 5.5 B /B op rp SENSOR LOGIC & PUSHPULL Comparators LATCH VREF OUTPUT Temp Rating (C) Clock Frequency (Hz) + - 1: 2 5: 250 9: 10000 2: 40 -- 85 + - 2: 10 6: 500 U: 100+Turbo (10000) 3: 40 -- 125 3: 20 7: 2500 GND (401) 943-2686 redrock cotorelay.com www.cotorelay.com Coto Technology 2021. All rights reserved. rev.12142021 page 1REDROCK RR122-1A52-511 REDROCK RR122-1A53-511 TMR DIGITAL PUSH-PULL MAGNETIC SENSOR 4 Specifications 1,2 4.1 Absolute Environmental Ratings Parameters Units Min Typ Max Operating Temperature (T ) (RR122-1A52-511) C -40 +85 OP Operating Temperature (T ) (RR122-1A53-511) C -40 +125 OP Storage Temperature (T ) C -65 +150 STG Junction Temperature (T ) C +150 J Soldering Temperature (3 cycles, 1 min.) (T ) C +260 SOL ESD Level Human Body Model per JESD22-A114 V 4000 ESD Level Charged Device Model (CDM) per V 500 JESD22-C1010 Junction-to-Ambient Thermal Resistance (SOT-23-3) C/W 202 Maximum Magnetic Field Exposure (B ) G MAX 600 1,2 4.2 Absolute Electrical Ratings Parameters Units Min Typ Max Supply Voltage (V ) V -0.3 6.0 DD Push-pull Output (Active Low)(V ) V -0.3 V + 0.3 OUT PP DD Input and Output Current (I /I ) mA IN OUT 20 3 4.3 Operating Electrical Characteristics for RR122-1A52-511 and RR122-1A53-511 Parameters Units Min Typ Max Supply Voltage (V ) V 1.7 3.0 5.5 DD Power-On Time (t )(V > 90%) 50 75 ON DD ms Peak Power-On Current mA 1.4 Output Voltage (High) (V ) V 90% V OUTH DD Output Voltage (Low) (V ) V 10% V OUTL DD Under Voltage Lockout Threshold V 1.60 1.64 Rising V (V ) DD UVLO-RISE Under Voltage Lockout Threshold V 1.44 1.53 Falling V (V ) DD UVLO-FALL Under Voltage Lockout Hysteresis (V ) mV 70 UV-HYST Average Supply Current V =1.7 V, f =250 Hz (Idd ) 1.0 DD SW AVG mA Average Supply Current V =3.0 V, f =250 Hz (Idd ) 1.2 DD SW AVG mA Notes: 1. Exceeding Absolute Ratings may cause permanent damage to the device. 2. Unless otherwise specified, all characteristics are measured at 25C. 3. Unless otherwise specified, V = 1.7 V to 5.5 V, T = -40C to +85C (1A52), -40C to +125C (1A53). Typical values are V = 3.0 V and T = +25C. DD A DD A ESD Note: This product uses semiconductors that can be damaged by electrostatic discharge (ESD). When handling, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. Damage due to inappropriate handling is not covered under warranty. page 2 Coto Technology 2021. All rights reserved. rev.12142021 (401) 943-2686 redrock cotorelay.com www.cotorelay.com