A1202 and A1203 Continuous-Time Bipolar Switch Family FEATURES AND BENEFITS DESCRIPTION AEC-Q100 automotive qualified The Allegro A1202 and A1203 Hall-effect bipolar switches Continuous-time operation are next-generation replacements and extension of the popular Fast power-on time Allegro A3133 and A3132 bipolar switch product line. Overall, Low noise the A120x family, produced with BiCMOS technology, consists Stable operation over full operating temperature range of continuous-time devices that feature fast power-on time Reverse-battery protection and low-noise operation. Device programming is performed Solid-state reliability after packaging, to ensure increased switchpoint accuracy Factory-programmed at end-of-line for optimum by eliminating offsets that can be induced by package stress. performance Unique Hall element geometries and low-offset amplifiers Robust EMC performance help to minimize noise and to reduce the residual offset High ESD rating voltage normally caused by device overmolding, temperature Regulator stability without a bypass capacitor excursions, and thermal stress. The A120x Hall-effect bipolar switches include the following on a single silicon chip: voltage regulator, Hall-voltage generator, PACKAGES: small-signal amplifier, Schmitt trigger, and NMOS output Not to scale transistor. The integrated voltage regulator permits operation from 3.8 to 24 V. The extensive on-board protection circuitry makes possible a 30 V absolute maximum voltage rating for superior protection in automotive and motor commutation applications, without adding external components. All devices NOT FOR NEW DESIGN in the family are identical, except for magnetic switchpoints. The small geometries of the BiCMOS process allow these devices to be provided in ultrasmall packages. The package 3-pin SOT23W styles available provide magnetically optimized solutions for (suffix LH) most applications. Package LH is a SOT23W, a miniature low- 3-pin SIP, 3-pin SIP, profile surface-mount package, while package UA is a three-lead matrix HD style chopper style (suffix UA) (suffix UA) ultramini SIP for through-hole mounting. Each package is lead (Pb) free, with 100% matte-tin-plated leadframes. VCC Regulator To all subcircuits VOUT Amp Gain Offset Trim Control GND Functional Block Diagram A1202-DS, Rev. 22 June 19, 2018 MCO-0000372A1202 Continuous-Time Bipolar Switch Family and A1203 SELECTION GUIDE 1 Part Number Packing Mounting Ambient, T B (Min) B (Max) A RP OP 2 A1202LUA-T Bulk, 500 pieces/bag 3-pin SIP through hole 40C to 150C 75 75 2 A1203EUA-T Bulk, 500 pieces/bag 3-pin SIP through hole 40C to 85C A1203LLHLT-T 7-in. reel, 3000 pieces/reel 3-pin SOT23W surface mount 95 95 A1203LLHLX-T 13-in. reel, 10000 pieces/reel 3-pin SOT23W surface mount 40C to 150C 2 A1203LUA-T Bulk, 500 pieces/bag 3-pin SIP through hole 1 Contact Allegro for additional packing options. 2 The chopper-style UA package is not for new design the matrix HD style UA package is recommended for new designs. ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Notes Rating Units Supply Voltage V 30 V CC Reverse Supply Voltage V 30 V RCC Output Off Voltage V 30 V OUT Reverse Output Voltage V 0.5 V ROUT Output Current Sink I 25 mA OUTSINK Magnetic Flux Density B Unlimited G Range E 40 to 85 C Operating Ambient Temperature T A Range L 40 to 150 C Maximum Junction Temperature T (max) 165 C J Storage Temperature T 65 to 170 C stg 3 2 1 2 1 3 Package LH Package UA Terminal List Number Name Description Package LH Package UA 1 1 VCC Connects power supply to chip 2 3 VOUT Output from circuit 3 2 GND Ground 2 Allegro MicroSystems, LLC 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com VCC GND VOUT VCC GND VOUT