Datasheet VNF1048F (STMicroelectronics) - 10
| Manufacturer | STMicroelectronics |
| Description | High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications |
| Pages / Page | 52 / 10 — VNF1048F. Main electrical characteristics. Symbol. Parameter. Test … |
| File Format / Size | PDF / 2.6 Mb |
| Document Language | English |
VNF1048F. Main electrical characteristics. Symbol. Parameter. Test conditions. Min. Typ. Max. Unit
Model Line for this Datasheet
Text Version of Document
VNF1048F Main electrical characteristics ID Symbol Parameter Test conditions Min. Typ. Max. Unit
VDS_THRS_ 6 600 VDS_THRS_ 7 650 VDS_THRS_ 8 700 VDS_THRS_ 9 750 VDS_THRS_ 10 800 VDS_THRS_ 11 850 VDS_THRS_ 12 900 VDS_THRS_13 950 VDS_THRS_14 1000 VDS_THRS_15 1050 VDS_THRS_16 1100 VDS_THRS_17 1150 7.3 V V DS_THRS_18 DS monitor thresholds 1200 mV VDS_THRS_19 1250 VDS_THRS_20 1300 VDS_THRS_21 1350 VDS_THRS_22 1400 VDS_THRS_23 1450 VDS_THRS_24 1500 VDS_THRS_25 1550 VDS_THRS_26 1600 VDS_THRS_27 1650 VDS_THRS_28 1700 VDS_THRS_29 1750 VDS_THRS_30 1800 7.4 VDS_THRS_ACC VDS monitor threshold accuracy -5 5 % 7.5 VDS_DEGLITCH VDS monitor shut-off deglitch time -25% 5 +25% µs 7.6 VDS_DELAY VDS monitor shut-off delay time 5 µs 7.7 VDS_BLK VDS monitor shut-off blanking time At High Side External -10% 960 +10% µs FET startup VDS_ADC[9:0] = 7.8 VDS_ADC_CONV VDS monitor ADC full scale range resolution MIN((VSENSE_N - 0 957 VOUT)/2 * 1024, 957) 7.9 VDS_ADC_RATE VDS monitor ADC sample rate 0.9 MSample/s
Table 15. Hard Short Circuit protection ID Symbol Parameter Test conditions Min. Typ. Max. Unit
Hard Short Circuit protection threshold range 8.1 VHSC_THRS_RANGE 20 160 mV 16 steps adjustable thru SPI
DS13084
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Rev 6 page 10/52
Document Outline 1 Block diagram and pin description 2 Electrical specification 2.1 Absolute maximum ratings 2.2 Thermal data 2.3 Main electrical characteristics 3 eFuse function 4 Self Test 4.1 Current Sense Self Test 4.2 External FET VDS Detection Self Test 4.3 External FET Stuck-on Self Test 5 Protections 5.1 Battery undervoltage shutdown 5.2 Device overtemperature shutdown 5.3 External MOSFET overtemperature shutdown 5.4 External MOSFET desaturation shut-down 5.5 Hard short circuit latch-off 5.6 Current vs time latch-off 5.7 Low Current Bypass desaturation shut-down 6 SPI functional description 6.1 SPI Communication 6.2 Signal description 6.3 SPI protocol 6.4 Operating code definition 6.5 Write mode 6.6 Read mode 6.7 Read and clear status command 6.8 SPI device information 6.9 Special commands 6.10 Global status byte 6.11 Address map 6.12 ROM memory map 6.13 Control registers 6.14 Status registers 6.15 Timeout watchdog 7 Operating modes 7.1 State Diagram 7.2 PowerON mode 7.3 Stand-by mode 7.4 WakeUp mode 7.5 Unlocked mode 7.6 Locked mode 7.7 Self-test mode 8 Application information 9 Package information 9.1 QFN32L 5x5 package information Revision history
VDS_THRS_ 6 600 VDS_THRS_ 7 650 VDS_THRS_ 8 700 VDS_THRS_ 9 750 VDS_THRS_ 10 800 VDS_THRS_ 11 850 VDS_THRS_ 12 900 VDS_THRS_13 950 VDS_THRS_14 1000 VDS_THRS_15 1050 VDS_THRS_16 1100 VDS_THRS_17 1150 7.3 V V DS_THRS_18 DS monitor thresholds 1200 mV VDS_THRS_19 1250 VDS_THRS_20 1300 VDS_THRS_21 1350 VDS_THRS_22 1400 VDS_THRS_23 1450 VDS_THRS_24 1500 VDS_THRS_25 1550 VDS_THRS_26 1600 VDS_THRS_27 1650 VDS_THRS_28 1700 VDS_THRS_29 1750 VDS_THRS_30 1800 7.4 VDS_THRS_ACC VDS monitor threshold accuracy -5 5 % 7.5 VDS_DEGLITCH VDS monitor shut-off deglitch time -25% 5 +25% µs 7.6 VDS_DELAY VDS monitor shut-off delay time 5 µs 7.7 VDS_BLK VDS monitor shut-off blanking time At High Side External -10% 960 +10% µs FET startup VDS_ADC[9:0] = 7.8 VDS_ADC_CONV VDS monitor ADC full scale range resolution MIN((VSENSE_N - 0 957 VOUT)/2 * 1024, 957) 7.9 VDS_ADC_RATE VDS monitor ADC sample rate 0.9 MSample/s
Table 15. Hard Short Circuit protection ID Symbol Parameter Test conditions Min. Typ. Max. Unit
Hard Short Circuit protection threshold range 8.1 VHSC_THRS_RANGE 20 160 mV 16 steps adjustable thru SPI
DS13084
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Rev 6 page 10/52
Document Outline 1 Block diagram and pin description 2 Electrical specification 2.1 Absolute maximum ratings 2.2 Thermal data 2.3 Main electrical characteristics 3 eFuse function 4 Self Test 4.1 Current Sense Self Test 4.2 External FET VDS Detection Self Test 4.3 External FET Stuck-on Self Test 5 Protections 5.1 Battery undervoltage shutdown 5.2 Device overtemperature shutdown 5.3 External MOSFET overtemperature shutdown 5.4 External MOSFET desaturation shut-down 5.5 Hard short circuit latch-off 5.6 Current vs time latch-off 5.7 Low Current Bypass desaturation shut-down 6 SPI functional description 6.1 SPI Communication 6.2 Signal description 6.3 SPI protocol 6.4 Operating code definition 6.5 Write mode 6.6 Read mode 6.7 Read and clear status command 6.8 SPI device information 6.9 Special commands 6.10 Global status byte 6.11 Address map 6.12 ROM memory map 6.13 Control registers 6.14 Status registers 6.15 Timeout watchdog 7 Operating modes 7.1 State Diagram 7.2 PowerON mode 7.3 Stand-by mode 7.4 WakeUp mode 7.5 Unlocked mode 7.6 Locked mode 7.7 Self-test mode 8 Application information 9 Package information 9.1 QFN32L 5x5 package information Revision history
