AEK-POW-LDOV01J

AEK-POW-LDOV01J Data brief Automotive-grade LDO with configurable output voltage and diagnostic features based on the L99VR01JTR Features • • Eight selectable fixed output voltages: (0.8, 1.2, 1.5, 1.8, 2.5, 2.8, 3.3, and 5 V) with up to 200 mA load current capability Protection and diagnostics features: – Enable pin – Reset – Watchdog – Advanced thermal warning with output overvoltage detection – In-short control – Fast output discharge Description Product summary Automotive-grade LDO with configurable output voltage AEK-POWand diagnostic LDOV01J features based on L99VR01JTR Automotive linear voltage regulator with configurable output voltage and 200 mA current capability L99VR01JTR AutoDevKit library plugin for SPC5STUDIO STSWAUTODEVKIT Code generator, quick resource configurator and Eclipse development environment for SPC5 MCUs SPC5-Studio Application Power Distribution/ Digital Power The AEK-POW-LDOV01J is an evaluation board based on the L99VR01JTR. It can be used in several electronic applications such as microcontroller supplies, automotive display drivers, sensors, and infotainment processors. Thanks to its thermal performance up to 170°C, the device is suitable for electronic applications with high temperature environments and for applications that require stable power supplies. DB4723 - Rev 2 - September 2022 For further information contact your local STMicroelectronics sales office. www.st.com AEK-POW-LDOV01J Block diagram 1 Block diagram Figure 1. AEK-POW-LDOV01J block diagram DB4723 - Rev 2 page 2/6 DB4723 - Rev 2 2 Schematic diagrams Figure 2. AEK-POW-LDOV01J circuit schematic D1 STTH102AY P1 Vo Vs 1 2 D3 SMCJ24CA-TR C1 10uF D2 STPS0540ZY C2 100nF Vo R15 R1 N.M. U1 L99VR01JTR 1 2 3 1KR4 4 1KR5 N.M. TW 5 6 Vs Sel1 Sel2 Sel3 Tw Ishort exp R31K 12 GND Sel1 Sel2 Sel3 Vo_ADC RST Wi C4 47nF GND GND 12 R8 500K Sel1 2 Sel2 1 3 2 Sel1 Sel2 Sel3 0 0 0 0 1 0 1 0 0 1 1 0 0 0 1 0 1 1 1 0 1 1 1 1 Sel3 1 3 2 1 3 Vo 0.8 1.2 1.5 1.8 2.5 2.8 3.3 5.0 GND GND EN EN1 Q1 BSS138Q GND GND R2 2K GND 12 11 10 9 8 7 Vo RST Wi Vcw GND En Vcw1 R7 10K Vs P2 C3 3.3uF GND GND 2 1 R6 100K GND VEXT R16 10K R9 10K EN TW RST Wi GND R10 10K R13 R14 VEXT Vo_ADC C5 100nF GND C6 100nF Sel1 10 Sel2 9 Sel3 8 1KR12 7 6 1K 5 1K 1KR11 4 3 2 1 10 9 8 7 6 5 4 3 2 1 SEL1 SEL2 SEL3 EN TW RST Wi VEXT GND Vo_ADC CN1 GND GND GND AEK-POW-LDOV01J Schematic diagrams page 3/6 AEK-POW-LDOV01J Board versions 3 Board versions Table 1. AEK-POW-LDOV01J versions PCB version AEK$POW-LDOV01JA (1) Schematic diagrams AEK$POW-LDOV01JA schematic diagrams Bill of materials AEK$POW-LDOV01JA bill of materials 1. This code identifies the AEK-POW-LDOV01J evaluation board first version. It is printed on the board PCB. DB4723 - Rev 2 page 4/6 AEK-POW-LDOV01J Revision history Table 2. Document revision history DB4723 - Rev 2 Date Revision Changes 26-Jul-2022 1 Initial release. 02-Sep-2022 2 Minor text changes. page 5/6 AEK-POW-LDOV01J IMPORTANT NOTICE – READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgment. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. For additional information about ST trademarks, refer to www.st.com/trademarks. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2022 STMicroelectronics – All rights reserved DB4723 - Rev 2 page 6/6