SNVSC74A September 2023 – July 2024 LP5813
PRODUCTION DATA
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
Power Supply | ||||||
VIN | Input voltage range | 0.5 | 5.5 | V | ||
VIN_UVLO | Under-voltage lockout threshold | VIN rising | 1.7 | 1.8 | V | |
VIN falling | 0.4 | 0.5 | V | |||
ISD | Shutdown current into VIN and SW pin | IC disabled (EN = Low), VIN = 3.6 V, TA = 25°C | 0.1 | 0.35 | μA | |
ISTB | Standby current into VIN and SW pin | CHIP_EN = 0 (bit), Boost enabled (EN = High), VIN = 3.6 V, VOUT set to 3 V, Pass-through mode | 26 | 29 | μA | |
Standby current into VOUT pin | CHIP_EN = 0 (bit), Boost disabled (EN = Low), VIN no supply, VOUT force to 5 V | 25 | 28 | μA | ||
INOR | Normal operation current into VIN and SW pin | CHIP_EN = 1 (bit), Boost enabled (EN = High), VIN = 3.6 V, VOUT set to 3 V, Pass-through mode, IOUT0 = IOUT1 = IOUT2 = IOUT3 = 25.5 mA (MC = 0, DC = 255, PWM = 255) | 0.45 | 0.65 | mA | |
Normal operation current into VOUT pin | CHIP_EN = 1 (bit), Boost disabled (EN = LOW), VOUT force to 3.6 V, IOUT0 = IOUT1 = IOUT2 = IOUT3 = 25.5 mA (MC = 0, DC = 255, PWM = 255) | 0.4 | 0.6 | mA | ||
Boost Output | ||||||
VOUT | Output voltage setting range | 3 | 5.5 | V | ||
VOVP | Output over-voltage protection threshold | VOUT rising | 5.5 | 5.7 | 5.9 | V |
VOVP_HYS | Over-voltage protection hysteresis | 0.2 | V | |||
tSS | Soft startup time | From active EN to VOUT regulation. VIN = 1.8 V, COUT = 22 μF, IVOUT = 0 mA | 450 | μs | ||
Boost Power Switch | ||||||
RDS(on) | High-side MOSFET on resistance | VVOUT = 5 V | 140 | mΩ | ||
Low-side MOSFET on resistance | VVOUT = 5 V | 60 | mΩ | |||
fSW | Switching frequency | VIN = 3.6 V, VOUT set to 5.0 V, PWM mode | 1 | MHz | ||
VIN = 1.0 V, VOUT set to 5.0 V, PFM mode | 0.5 | MHz | ||||
ILIM_SW | Valley current limit | VIN = 3.6 V, VOUT set to 5.0 V | 1.6 | A | ||
IPRECHG | Pre-charge current | VIN = 3.6 V | 350 | mA | ||
LED Driver Output | ||||||
RDS(on)_SW | Scan line switch MOSFET on resistance | VVOUT = 3 V | 1 | 1.4 | Ω | |
Scan line switch MOSFET on resistance | VVOUT = 5 V | 0.7 | 1.1 | Ω | ||
ICS | Constant current sink output range | VIN = 3.6 V, VOUT set to 5 V, MC = 0, manual_pwm_x = FFh (100% ON) | 0.1 | 25.5 | mA | |
VIN = 3.6 V, VOUT set to 5 V, MC = 1, manual_pwm_x = FFh (100% ON) | 0.2 | 51 | mA | |||
ICS_LKG | Constant current sink leakage current | VIN = 3.6 V, OUTx = 1 V, manual_pwm_x = 0 (0%) | 0.1 | 1 | μA | |
IERR_D2D | Device to device current error, IERR_D2D = (IAVE-ISET)/ISET×100% |
All LEDs turn ON. Current set to 0.1 mA (max_current = 0, manual_dc_x = 01h, manual_pwm_x = FFh) | –5 | 5 | % | |
All LEDs turn ON. Current set to 0.2 mA (max_current = 1, manual_dc_x = 01h, manual_pwm_x = FFh) | –3 | 3 | % | |||
All LEDs turn ON. Current set to 1 mA (max_current = 0, manual_dc_x = 0Ah, manual_pwm_x = FFh) | –5 | 5 | % | |||
All LEDs turn ON. Current set to 1 mA (max_current = 1, manual_dc_x = 05h, manual_pwm_x = FFh) | –3 | 3 | % | |||
All LEDs turn ON. Current set to 25.5 mA (max_current = 0, manual_dc_x = FFh, manual_pwm_x = FFh) | –5 | 5 | % | |||
All LEDs turn ON. Current set to 51 mA (max_current = 1, manual_dc_x = FFh, manual_pwm_x = FFh) | –3 | 3 | % | |||
IERR_C2C | Channel to Channel current error IERR_C2C = (IOUTX-IAVE)/IAVE×100% |
All LEDs turn ON. Current set to 0.1 mA (max_current = 0, manual_dc_x = 01h, manual_pwm_x = FFh) | –5 | 5 | % | |
All LEDs turn ON. Current set to 0.2 mA (max_current = 1, manual_dc_x = 01h, manual_pwm_x = FFh) | –3 | 3 | % | |||
All LEDs turn ON. Current set to 1 mA (max_current = 0, manual_dc_x = 0Ah, manual_pwm_x = FFh) | –5 | 5 | % | |||
All LEDs turn ON. Current set to 1 mA (max_current = 1, manual_dc_x = 05h, manual_pwm_x = FFh) | –3 | 3 | % | |||
All LEDs turn ON. Current set to 25.5 mA (max_current = 0, manual_dc_x = FFh, manual_pwm_x = FFh) | –5 | 5 | % | |||
All LEDs turn ON. Current set to 51 mA (max_current = 1, manual_dc_x = FFh, manual_pwm_x = FFh) | –3 | 3 | % | |||
VHR | LED driver output hearroom voltage | All LEDs turn ON. Current set to 25.5 mA (max_current = 0, manual_dc_x = FFh) | 0.11 | 0.15 | V | |
All LEDs turn ON. Current set to 51 mA (max_current = 1, manual_dc_x = FFh) | 0.21 | 0.28 | V | |||
fLED_PWM | LED PWM frequency | pwm_fre = 0 | 24 | kHz | ||
pwm_fre = 1 | 12 | kHz | ||||
fOSC | Internal oscillator frequency | vsync_out_en = 1 | 6 | MHz | ||
Logic Interface | ||||||
VEN_H | EN logic high | VIN > 1.8 V | 1.2 | V | ||
VEN_L | EN logic low | VIN > 1.8 V | 0.35 | V | ||
VIH_LOGIC | High level input voltage of SDA, SCL, SYNC | 1.4 | V | |||
VIL_LOGIC | Low level input voltage of SDA, SCL, SYNC | 0.4 | V | |||
VOH_LOGIC | High level output voltage of SYNC | VVOUT - 0.2 | V | |||
VOL_LOGIC | Low level output voltage of SDA, SYNC | 0.4 | V | |||
Protection | ||||||
TSD | Thermal shutdown threshold for LED driver part | TJ rising | 150 | °C | ||
Thermal shutdown threshold for Boost converter part | TJ rising | 155 | °C | |||
TSD_HYS | Thermal shutdown hysteresis | TJ falling below TSD | 15 | °C | ||
VLOD_TH | LED open detection threshold | Current set to 25.5 mA (max_current = 0, manual_dc_x = FFh) | 70 | 90 | 110 | mV |
Current set to 51 mA (max_current = 1, manual_dc_x = FFh) | 150 | 180 | 220 | mV | ||
VLSD_TH | LED short detection threshold | lsd_th = 00h | 0.32 × VOUT | 0.35 × VOUT | 0.38 × VOUT | V |
lsd_th = 01h | 0.42 × VOUT | 0.45 × VOUT | 0.48 × VOUT | V | ||
lsd_th = 10h | 0.52 × VOUT | 0.55 × VOUT | 0.58 × VOUT | V | ||
lsd_th = 11h | 0.62 × VOUT | 0.65 × VOUT | 0.68 × VOUT | V |