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EVBUM2789

www.onsemi.com

Table 16. FEATURE ID REGISTER

Name: FID

Address: 08h

Type: R

Default: See Register map

Trigger: N/A

Spare

FID_3

FID_2

FID_1

FID_0

Bit

Bit Description

FID[3..0]

Feature Identification

Table 17. DC

−

DC VOLTAGE PROG REGISTER

Name: PROG

Address: 09h

Type: RW

Default: See Register map

Trigger: N/A

Vout [7..0]

Bit

Bit Description

Vout [7..0]

Sets the DC

−

DC converter output voltage

00000000b = 600 mV (5mV step)

00000001b = 605 mV (5 mV step)

…

01001111b = 950 mV (5 mV step)

01010000b = 1000 mV (10 mV step)

01010001b = 1010 mV (10 mV step)

…

10110011b = 1990 mV (10 mV step)

10110100b = 2000 mV (20 mV step)

10110101b = 2020 mV (20 mV step)

…

11110100b = 3280 mV (20 mV step)

11110101b = 3300 mV (20 mV step)

…

11111111b = 3300 mV

Содержание NCV91300

Страница 1: ... will find information about hardware and Graphical User Interface software as well as typical Bill of Material board schematic and layout Applicable and Reference Documents APPLICATION INFORMATION Figure 1 Typical Application Schematic 1 0 mH Processor Core NCV91300 Power Good DCDC Modular Driver Power Supply Input DCDC Controller Sense Enable Control Input 10 mF AGND SDA PG EN SW PVIN PGND FB BO...

Страница 2: ...h this software user will have full control of the NCV91300 on the evaluation board Evaluation board PCB USB interface board This board is a USB to I2C interface It receives from PC Graphical User Interface software all requests and converts it into NCV91300 understandable I2C command that sets NCV91300 internal registers If there is an error or if NCV91300 does not acknowledge the request as desc...

Страница 3: ... Level Settings 1 2 EN VBAT 2 3 EN Driven by USB Interface Board 2 3 J9 SYNC Level Settings 1 2 SYNC connected to J6 SMA 2 3 SYNC Driven by USB Interface Board 2 3 J4 PG pull up Closed J7 INTB pull up Closed J13 J11 J12 Banana Output voltage positive negative SL5 connector Output Voltage N A J10 Inductor current sense measurement for differential probe measured across R6 resistor N A J11 Load tran...

Страница 4: ...ss R7 TP12 TP13 VOUT Output voltage sense across C17 TP14 Gate of the Q1 transistor used for Load Transient TP15 AVIN Sense TP16 Iout force Setup The following steps should be followed before the Evaluation Board is operated 1 Install the Graphical User Interface GUI Software on computer 2 Connect the Interface Board to the Board using the ribbon cable or board to board connectors 3 Connect Output...

Страница 5: ...EVBUM2789 www onsemi com 5 Figure 2 Hardware Setup of EVKit Board To Board Connection Figure 3 Hardware Setup of EVKit Ribbon Cable Connection ...

Страница 6: ...VBUM2789 www onsemi com 6 BOARD LAYOUT This section includes the SST layer of PCB layout and EVB board pictures Figure 4 TOP Assembly Figure 5 BOTTOM Assembly 2 3 1 3 POINTS CONFIGURATION JUMPERS PIN OUT ...

Страница 7: ...EVBUM2789 www onsemi com 7 Figure 6 TOP Figure 7 Inner 1 ...

Страница 8: ...EVBUM2789 www onsemi com 8 Figure 8 Inner 2 Figure 9 Bottom ...

Страница 9: ...EVBUM2789 www onsemi com 9 Figure 10 Board Picture TOP View J5 Input Connector J12 Output Connector ...

Страница 10: ...EVBUM2789 www onsemi com 10 BOARD SCHEMATIC AND BOM This section provides the board schematic as well as standard Bill of Material Schematic Figure 11 Board Schematic ...

Страница 11: ...JACK_REV2 13 2 STRAP 3pins STRAP3P 14 6 STRAP 2pins HEADER_2_100H 15 2 SL5 08_2PT CON2P 5v08_COUDE 16 1 Clock Generator 131 3701 261 CONN_SMB_V 17 2 CONN_DEKTRON_571_BLACK DEKTRON_571 0100 BANANA_JACK_REV2 18 1 DNP SMD_4040_2520 19 1 1 0 mH SPM4020 1R0M D FDSD0420D 1R0M MURATA_4040 20 1 DNP SMD_0603_0805 21 1 1 0 mH TFM252012ALMA1R0MTAA DFE2HCAH1R0MJ0 MURATA_2520 22 1 NTD3055L104 DPACK_1234 23 2 1...

Страница 12: ... configurations At start up the GUI will first read NCV91300 configuration Please make sure that hardware is supplied prior to GUI startup Otherwise the following error will be displayed Figure 12 If during software power up all the controls are empty please verified I2C address and ribbon cable insertion or board to board connection Then the main GUI screen is displayed Figure 13 GUI Main Screen ...

Страница 13: ...he Generic tab to access to the generic window where individual register can be addressed Figure 14 Generic Window You can click on the Register tab to access to the Register window where all register can be read and write Figure 15 Register Window ...

Страница 14: ...on 00h INT_ACK1 W1C 00h Interrupt register 1 01h INT_ACK2 W1C 00h Interrupt register 2 02h INT_SEN1 R 00h Sense register 1 real time status 03h INT_SEN2 R 00h Sense register 2 real time status 04h INT_MSK1 RW FFh Mask register 1 to enable or disable interrupt sources trim 05h INT_MSK2 RW FFh Mask register 2 to enable or disable interrupt sources trim 06h PID R 93h Product Identification 07h RID R ...

Страница 15: ...gister 1 to enable or disable interrupt sources trim 05h INT_MSK2 RW FFh Mask register 2 to enable or disable interrupt sources trim 06h PID R 93h Product Identification 07h RID R Metal Revision Identification 08h FID R 01h Features Identification trim 09h PROG RW 5Ah Output voltage settings trim 0Ah COMMAND RW D7h Operating mode Power good and active discharge settings register trim 0Bh TIME RW 2...

Страница 16: ...6 D5 D4 D3 D2 D1 D0 Spare 0 ACK_UVLO ACK_UVP ACK_OVP Spare 0 ACK_ISHORT ACK_IDCDCHS ACK_IDCDCLS Bit Bit Description ACK_IDCDCLS DC DC Negative Over Current Sense Acknowledgement 0 Cleared 1 DC DC Negative Over Current Event detected ACK_IDCDCHS DC DC Over Current Sense Acknowledgement 0 Cleared 1 DC DC Over Current Event detected ACK_ISHORT DC DC Short Circuit Protection Sense Acknowledgement 0 Cl...

Страница 17: ...ledgement 0 Cleared 1 Thermal Warning Event detected ACK_TSD Thermal Shutdown Sense Acknowledgement 0 Cleared 1 Thermal Shutdown Event detected Table 10 INTERRUPT SENSE REGISTER 1 Name INTSEN1 Address 02h Type R Default 00000000b 00h Trigger N A D7 D6 D5 D4 D3 D2 D1 D0 Spare 0 SEN_UVLO SEN_UVP SEN_OVP Spare 0 Spare 0 SEN_IDCDCHS SEN_IDCDCLS Bit Bit Description SEN_IDCDCLS DC DC negative over curre...

Страница 18: ...w thermal warning limit 1 Junction temperature over thermal warning limit SEN_TSD Thermal Shutdown Sense 0 Junction temperature below thermal shutdown limit 1 Junction temperature over thermal shutdown limit Table 12 INTERRUPT MASK REGISTER 1 Name INTMSK1 Address 04h Type RW Default See Register map Trigger N A D7 D6 D5 D4 D3 D2 D1 D0 Spare 1 MSK_UVLO MSK_UVP MSK_OVP Spare 1 MSK_ISHORT MSK_IDCDCHS...

Страница 19: ...pt is Masked MSK_TPREW Thermal Pre Warning interrupt mask 0 Interrupt is Enabled 1 Interrupt is Masked MSK_TWARN Thermal Warning interrupt mask 0 Interrupt is Enabled 1 Interrupt is Masked MSK_TSD Thermal Shutdown interrupt mask 0 Interrupt is Enabled 1 Interrupt is Masked Table 14 PRODUCT ID REGISTER Name PID Address 06h Type R Default 00011011b 93h Trigger N A Reset on N A D7 D6 D5 D4 D3 D2 D1 D...

Страница 20: ...GISTER Name PROG Address 09h Type RW Default See Register map Trigger N A D7 D6 D5 D4 D3 D2 D1 D0 Vout 7 0 Bit Bit Description Vout 7 0 Sets the DC DC converter output voltage 00000000b 600 mV 5mV step 00000001b 605 mV 5 mV step 01001111b 950 mV 5 mV step 01010000b 1000 mV 10 mV step 01010001b 1010 mV 10 mV step 10110011b 1990 mV 10 mV step 10110100b 2000 mV 20 mV step 10110101b 2020 mV 20 mV step...

Страница 21: ...ode 0 Low Iq mode when EN low 1 Force product in sleep mode PWM Operating mode selection 0 Auto 1 Forced PWM DVSMODE DVS transition mode selection 0 Auto 1 Forced PWM Table 19 TIMING REGISTER Name TIME Address 0Bh Type RW Default See Register map Trigger N A D7 D6 D5 D4 D3 D2 D1 D0 DELAY 1 0 F_SPREAD 1 0 DVS 1 0 DBN_Time 1 0 Bit Bit Description DBN_Time 1 0 EN debounce time 00 1 2 ms 01 1 2 ms 10 ...

Страница 22: ... values RSTSTATUS Reset Indicator Bit 0 Must be written to 0 after register reset 1 Default loaded after Registers reset FORCERST Force Reset Bit 0 Default value Self cleared to 0 1 Force reset of internal registers to default TPWTH 1 0 Thermal pre Warning threshold settings 00 110 C 01 120 C 10 130 C 11 140 C ROBUSTI2C I2C protocol setting 0 Classic I2C protocol 1 Double write access I2C protocol...

Страница 23: ... support systems or any FDA Class 3 medical devices or medical devices with a similar or equivalent classification in a foreign jurisdiction or any devices intended for implantation in the human body You agree to indemnify defend and hold harmless onsemi its directors officers employees representatives agents subsidiaries affiliates distributors and assigns against any and all liabilities losses c...

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