GHB 10 29 BRKSEL CB 11 GLA 12 SA 13 GHA 14 CA 15 28 BRKCAP 27 BRAKE 26 DIR 25 H2 24 H3 VREG 16 23 N/C LCAP 17 22 H1 N/C 18 FAULT 19 26301.104H Fault Control Logic 21 VBB 20 MODE A3938 Three-Phase Power MOSFET Controller Selection Guide Part Number Packing A3938SLDTR-T 4000 per reel Absolute Maximum Ratings Characteristic Symbol Notes Rating Units Load Supply Voltage VBB 50 V VREG Pin, Transient VREG 15 V VIN -0.3 to VLCAP + 0.3 V VSENSE -5 to 1.5 V Logic Input Voltage Range Sense Voltage Range Output Voltage Range V SA, SB, SC Pins GHA, GHB, GHC Pins CA, CB, CC Pins Operating Ambient Temperature TA Range S -5 to 50 V -5 to VBB + 17 V VSx + 17 V -20 to 85 C Junction Temperature TJ 150 C Storage Temperature Tstg -55 to 150 C Thermal Characteristics (may require derating at maximum conditions) Characteristic Package Thermal Resistance Symbol RJA Test Conditions Min. Units LD package, 4 layer PCB based on JEDEC standard 51 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-

GHB 10 29 BRKSEL CB 11 GLA 12 SA 13 GHA 14 CA 15 28 BRKCAP 27 BRAKE 26 DIR 25 H2 24 H3 VREG 16 23 N/C LCAP 17 22 H1 N/C 18 FAULT 19 26301.104H Fault Control Logic 21 VBB 20 MODE A3938 Three-Phase Power MOSFET Controller Selection Guide Part Number Packing A3938SLDTR-T 4000 per reel Absolute Maximum Ratings Characteristic Symbol Notes Rating Units Load Supply Voltage VBB 50 V VREG Pin, Transient VREG 15 V VIN -0.3 to VLCAP + 0.3 V VSENSE -5 to 1.5 V Logic Input Voltage Range Sense Voltage Range Output Voltage Range V SA, SB, SC Pins GHA, GHB, GHC Pins CA, CB, CC Pins Operating Ambient Temperature TA Range S -5 to 50 V -5 to VBB + 17 V VSx + 17 V -20 to 85 C Junction Temperature TJ 150 C Storage Temperature Tstg -55 to 150 C Thermal Characteristics (may require derating at maximum conditions) Characteristic Package Thermal Resistance Symbol RJA Test Conditions Min. Units LD package, 4 layer PCB based on JEDEC standard 51 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615

ontroller Selection Guide Pb-free* Package Packing A3938SEQ* Part Number - 32-pin PLCC 32 per tube A3938SEQTR* - 32-pin PLCC 800 per reel A3938SLD* - 38-pin TSSOP 50 per tube A3938SLDTR* - 38-pin TSSOP 4000 per reel A3938SLD-T Yes 38-pin TSSOP 50 per tube A3938SLDTR-T Yes 38-pin TSSOP 4000 per reel Pb-based variants are being phased out of the product line. The variants cited in this footnote are in production but have been determined to be LAST TIME BUY. This classification indicates that sale of this device is currently restricted to existing customer applications. The variants should not be purchased for new design applications because obsolescence in the near future is probable. Samples are no longer available. Deadline for receipt of LAST TIME BUY orders: October 26, 2007. These variants include: A3938SEQ, A3938SEQTR, A3938SLD, and A3938SLDTR. * Absolute Maximum Ratings Characteristic Symbol Rating Units 50 V VREG 15 V VIN -0.3 to VLCAP + 0.3 V VSENSE -5 to 1.5 V Load Supply Voltage VBB VREG

to-ground protection Internal 5 V regulator Fault diagnostic output Thermal shutdown Undervoltage protection Data Sheet 26301.104C A3938 A3938 Three-Phase Power MOSFET Controller Part Number Pb-free* Package Packing A3938SLD-T Yes 38 pin TSSOP 50 per tube A3938SLDTR-T Yes 38 pin TSSOP 4000 per reel Pb-based variants are being phased out of the product line. The variants cited in this footnote are in production but have been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to existing customer applications. The variants should not be purchased for new design applications because obsolescence in the near future is probable. Samples are no longer available. Status change: May 1, 2006. These variants include: A3938SEQ, A3938SEQTR, A3938SLD, A3938SLDTR, A3938SLQ, and A3938SLQTR. 1 www.allegromicro.com 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 2 A3938 Three-Phase Power MOSFET Controller Functiona

GHA 14 CA 15 28 BRKCAP 27 BRAKE 26 DIR 25 H2 24 H3 VREG 16 23 N/C LCAP 17 22 H1 N/C 18 FAULT 19 26301.104H, Rev. 1 MCO-0000647 Fault Control Logic 21 VBB 20 MODE April 10, 2019 A3938 Three-Phase Power MOSFET Controller Selection Guide Part Number Packing A3938SLDTR-T 4000 per reel ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Notes Rating Units Load Supply Voltage VBB 50 V VREG Pin, Transient VREG 15 V VIN -0.3 to VLCAP + 0.3 V VSENSE -5 to 1.5 V Logic Input Voltage Range Sense Voltage Range Output Voltage Range SA, SB, SC Pins GHA, GHB, GHC Pins CA, CB, CC Pins Operating Ambient Temperature V TA Range S -5 to 50 V -5 to VBB + 17 V VSx + 17 V -20 to 85 C Junction Temperature TJ 150 C Storage Temperature Tstg -55 to 150 C THERMAL CHARACTERISTICS (MAY REQUIRE DERATING AT MAXIMUM CONDITIONS) Characteristic Package Thermal Resistance Symbol RJA Test Conditions LD package, 4 layer PCB based on JEDEC standard Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.co

production. The part should not be purchased for new design applications. Samples are no longer available. Date of status change: June 1, 2016 Recommended Substitutions: For existing customer transition, and for new customers or new applications, refer to A3938SLDTR-T. NOTE: For detailed information on purchasing options, contact your local Allegro field applications engineer or sales representative. Allegro MicroSystems, LLC reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use. A3932 Three-Phase Power MOSFET Controller Features and Benefits Drives wide range of N-channel MOSFETs Synchronous

to-ground protection Internal 5 V regulator Fault diagnostic output Thermal shutdown Undervoltage protection Data Sheet 26301.104D A3938 A3938 Three-Phase Power MOSFET Controller Part Number Pb-free* Package Packing A3938SLD-T Yes 38 pin TSSOP 50 per tube A3938SLDTR-T Yes 38 pin TSSOP 4000 per reel Pb-based variants are being phased out of the product line. The variants cited in this footnote are in production but have been determined to be LAST TIME BY or NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to existing customer applications. The variants should not be purchased for new design applications because obsolescence in the near future is probable. Samples are no longer available. Status change for NOT FOR NEW DESIGN: October 31, 2006. Deadline for receipt of LAST TIME BUY orders: April 27, 2007. These variants include: A3938SLQ, and A3938SLQTR. Status change for NOT FOR NEW DESIGN: May 1, 2006. These variants include: A3938SEQ, A3938SEQTR,

GHB 10 29 BRKSEL CB 11 GLA 12 SA 13 GHA 14 CA 15 28 BRKCAP 27 BRAKE 26 DIR 25 H2 24 H3 VREG 16 23 N/C LCAP 17 22 H1 N/C 18 FAULT 19 26301.104H Fault Control Logic 21 VBB 20 MODE A3938 Three-Phase Power MOSFET Controller Selection Guide Part Number Packing A3938SLDTR-T 4000 per reel Absolute Maximum Ratings Characteristic Symbol Notes Rating Units Load Supply Voltage VBB 50 V VREG Pin, Transient VREG 15 V VIN -0.3 to VLCAP + 0.3 V VSENSE -5 to 1.5 V Logic Input Voltage Range Sense Voltage Range Output Voltage Range V SA, SB, SC Pins GHA, GHB, GHC Pins CA, CB, CC Pins Operating Ambient Temperature TA Range S -5 to 50 V -5 to VBB + 17 V VSx + 17 V -20 to 85 C Junction Temperature TJ 150 C Storage Temperature Tstg -55 to 150 C Thermal Characteristics (may require derating at maximum conditions) Characteristic Package Thermal Resistance Symbol RJA Test Conditions Min. Units LD package, 4 layer PCB based on JEDEC standard 51 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-

GLA 12 SA 13 22 H2 GHA 14 21 H3 CA 15 Fault Control Logic 28 BRKCAP 27 BRAKE 26 DIR 25 H2 24 H3 VREG 16 23 N/C LCAP 17 22 H1 N/C 18 FAULT 19 21 VBB 20 MODE Package LD A3938 Three-Phase Power MOSFET Controller Selection Guide Part Number Packing A3938SLD-T A3938SLDTR-T 50 per tube 4000 per reel Absolute Maximum Ratings Characteristic Symbol Notes Rating Units Load Supply Voltage VBB 50 V VREG Pin, Transient VREG 15 V VIN -0.3 to VLCAP + 0.3 V VSENSE -5 to 1.5 V Logic Input Voltage Range Sense Voltage Range Output Voltage Range V SA, SB, SC Pins GHA, GHB, GHC Pins CA, CB, CC Pins Operating Ambient Temperature TA Range S -5 to 50 V -5 to VBB + 17 V VSx + 17 V -20 to 85 C Junction Temperature TJ 150 C Storage Temperature Tstg -55 to 150 C Thermal Characteristics (may require derating at maximum conditions) Characteristic Package Thermal Resistance Symbol RJA Test Conditions Min. Units EQ package, 4 layer PCB based on JEDEC standard 37 C/W LD package, 4 layer PCB based on JEDEC standard 51 C/W Allegro