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ST AEK-POW-LDOV01J, User Manual

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ST AEK-POW-LDOV01J User Manual Download Page 28

11

AEK-POW-LDOV01J versions

Table 8. 

AEK-POW-LDOV01J versions

PCB version

Schematic diagrams

Bill of materials

AEK$POW-LDOV01JA 

(1)

AEK$POW-LDOV01JA schematic diagrams

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.

 

UM3028

AEK-POW-LDOV01J versions

UM3028

 - 

Rev 1

page 28/37

Summary of Contents for AEK-POW-LDOV01J

Page 1: ...ve applications AEC Q100 qualified It can deliver up to 200 mA of load current and consumes around 1 A when the regulator is disabled The operating input voltage is between 2 15 and 28 V while a fixed...

Page 2: ...er case the MCU provides a watchdog signal to the regulator to monitor the active connection These boards are included in the AutoDevKit ecosystem to enable a quick and easy prototyping for automotive...

Page 3: ...ow while the voltage regulator and all its features remain active Overvoltage warning detection The TW pin also provides diagnostics about the output overvoltage To distinguish between a thermal and a...

Page 4: ...a a configured external ADC peripheral that belongs to the MCU Jumpers to be used in standalone working mode only Table 2 Jumper pin description Pin Description Sel1 Sel2 Sel3 Output voltage selectors...

Page 5: ...AEK POW LDOV01J AEK POW LDOV01S as follows when the EN pin is set to high it is forced to low and the output is switched off when the EN pin is set to low it is forced to high and the output is switc...

Page 6: ...ion If all SELx pins are left unconnected the default configuration is selected 2 3 Watchdog for the AEK POW LDO01J only The watchdog is an automotive safety mechanism used to monitor a continuous con...

Page 7: ...on the same TW output pin A thermal warning event detection sets the TW pin low An output overvoltage event generates a square wave on the TW pin The overvoltage detection has a higher priority than t...

Page 8: ...motive and transportation applications STSW AUTODEVKIT features integrated hardware and software components component compatibility checking and MCU and peripheral configuration tools the possibility...

Page 9: ...ripheral with a fixed frequency whose value depends on the SELx configuration pin for the AEK POW LDOV01J only Note The AEK POW LDOV01x software library supports both AEK POW LDOV01J and AEK POW LDOV0...

Page 10: ...by using the SELx pins 3 3 5 Get device status The AEK POW LDOV01x software library includes a get FSM status instruction AEK_POW_LDOV01x_sts_t AEK_POW_LDOV01x_getDeviceSts uint8_t AEK_POW_LDOV01x_n_...

Page 11: ...following components SPC582Bxx Init Package Component RLA SPC582Bxx Low Level Drivers Component RLA Important Add these components immediately Otherwise the other components are not visible Step 2 Ad...

Page 12: ...AEK POW LDOV01x drivers Step 11 Open the main c file and include the AEK_POW_LDOV01x h file Step 12 Save generate and compile the application Step 13 Open the Board View Editor provided by the AutoDev...

Page 13: ...OW LDOV01J is connected to the load set the correct VO output voltage by using the AEK_POW_LDOV01x_setOperationMode API 4 2 1 How to upload the demos Follow the procedure below to import the demos int...

Page 14: ...family details Figure 13 MCU family selection Step 3 Select the desired application from the library Figure 14 Application selection Step 4 Click the Finish button UM3028 Available demos for the AEK P...

Page 15: ..._n_device This function sets the output voltage 0 8 V 1 2 V 1 5 V 1 8 V 2 5 V 2 8 V 3 3 V or 5 V for the AEK_POW_LDOV01x AEK_POW_LDOV01x_sts_t AEK_POW_LDOV01x_getDeviceSts uint8_t AEK_POW_LDOV01x_n_de...

Page 16: ...6 Test results Figure 15 Enable pulse signal waveform generated by an external MCU connected to the AEK POW LDOV01J UM3028 Test results UM3028 Rev 1 page 16 37...

Page 17: ...Figure 16 Watchdog signal waveform generated by an external MCU connected to the AEK POW LDOV01J operating voltage selected 5 V UM3028 Test results UM3028 Rev 1 page 17 37...

Page 18: ...Figure 17 Output voltage waveform generated by the AEK POW LDOV01J after power on operating voltage selected 5 V UM3028 Test results UM3028 Rev 1 page 18 37...

Page 19: ...Figure 18 Thermal warning waveform generated by the AEK POW LDOV01J after power on operating voltage selected 5 V UM3028 Test results UM3028 Rev 1 page 19 37...

Page 20: ...Figure 19 Overvoltage warning waveform generated by the AEK POW LDOV01J operating voltage selected 5 V UM3028 Test results UM3028 Rev 1 page 20 37...

Page 21: ...Figure 20 Reset signal waveform generated by the AEK POW LDOV01J if the VO output voltage is lower than the Vth threshold UM3028 Test results UM3028 Rev 1 page 21 37...

Page 22: ...R01JTR GND Vo_ADC RST EN Vo_ADC SEL3 SEL2 SEL1 Vo_ADC GND VEXT TW RST Wi GND GND GND GND 10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 CN1 Sel3 Sel2 Sel1 R31K 1KR4 1KR5 10K R9 10K R10 2K R2 R6 100K R1 N M...

Page 23: ...1 1 8 8 CN1 1KR9 1KR10 10K R8 RST EN Sel1 Sel2 Sel3 Vo_ADC GND 3 2 1 Sel1 3 2 1 Sel2 3 2 1 Sel3 GND GND VS VS R2 N M EN 2K R1 R3 100K GND RST Vo_ADC 1KR4 1KR5 R61K Sel3 Sel2 Sel1 Sel3 Sel1 Sel2 Vo 0...

Page 24: ...CJ24CA TR SMC 1500 W 24 V TVS in SMC ST SMCJ24CA TR 9 2 EN1 Vcw1 Jumper SIP2 Header 2 Pin Single row Wurth Elektronik 61300211121 10 2 P1 P2 691213510002 RisingCageCla mp 2p 5 08mm WR TBL series 2135...

Page 25: ...213421 Jumper 2 54 mm Wurth Elektronik 60900213421 21 4 970100365 Nylon spacer M3x10mmF F Wurth Elektronik 970100365 22 4 97790603111 Nylon screw M3x6mm Wurth Elektronik 97790603111 23 1 61901011621 2...

Page 26: ...SMC 1500 W 24 V TVS in SMC ST SMCJ24CA TR 8 1 EN1 Jumper SIP2 Header 2 Pin Single row Wurth Elektronik 61300211121 9 2 P1 P2 691213510002 RisingCageCla mp 2p 5 08 mm WR TBL series 2135 5 08 mm horizon...

Page 27: ...Jumper 2 54 mm Wurth Elektronik 60900213421 21 4 970100365 Nylon spacer M3x10 mmF F Wurth Elektronik 970100365 22 4 97790603111 Nylon screw M3x6 mm Wurth Elektronik 97790603111 23 1 61900811621 2 54...

Page 28: ...ic diagrams Bill of materials AEK POW LDOV01JA 1 AEK POW LDOV01JA schematic diagrams AEK POW LDOV01JA bill of materials 1 This code identifies the AEK POW LDOV01J evaluation board first version It is...

Page 29: ...ic diagrams Bill of materials AEK POW LDOV01SA 1 AEK POW LDOV01SA schematic diagrams AEK POW LDOV01SA bill of materials 1 This code identifies the AEK POW LDOV01S evaluation board first version It is...

Page 30: ...is designed to operate under part 15 part 18 or part 95 of this chapter the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization u...

Page 31: ...is designed to operate under part 15 part 18 or part 95 of this chapter the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization u...

Page 32: ...Revision history Table 10 Document revision history Date Revision Changes 26 Jul 2022 1 Initial release UM3028 UM3028 Rev 1 page 32 37...

Page 33: ...tting the output voltage 10 3 3 5 Get device status 10 3 3 6 Get warning status 10 3 3 7 Get output voltage 10 4 Demo in the AutoDevKit 11 4 1 How to create a sample application for the AEK POW LDOV01...

Page 34: ...Revision history 32 List of tables 35 List of figures 36 UM3028 Contents UM3028 Rev 1 page 34 37...

Page 35: ...4 Table 4 SELx pins truth table 6 Table 5 WI frequencies in Hz 6 Table 6 AEK POW LDOV01J bill of materials 24 Table 7 AEK POW LDOV01S bill of materials 26 Table 8 AEK POW LDOV01J versions 28 Table 9...

Page 36: ...form generated by an external MCU connected to the AEK POW LDOV01J 16 Figure 16 Watchdog signal waveform generated by an external MCU connected to the AEK POW LDOV01J operating voltage selected 5 V 17...

Page 37: ...s 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 prod...

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