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TPA3220 Datasheet(PDF) 8 Page - Texas Instruments |
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TPA3220 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 39 page  8 TPA3220 SLASEN3 – JANUARY 2018 www.ti.com Product Folder Links: TPA3220 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Electrical Characteristics (continued) PVDD_X = 30 V, VDD = 5 V, GVDD = 5 V, TC (Case temperature) = 75 °C, fS = 600 kHz, unless otherwise specified. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (2) Specified by design. I/O PROTECTION Vuvp,AVDD Undervoltage protection limit, AVDD 4 V Vuvp,AVDD,hyst (2) Undervoltage protection hysteresis, AVDD 0.1 V Vuvp,PVDD Undervoltage protection limit, PVDD_x 6.4 V Vuvp,PVDD,hyst (2) Undervoltage protection hysteresis, PVDD_x 0.45 V Vovp,PVDD Overvoltage protection limit, PVDD_x 34 V Vovp,PVDD,hyst (2) Overvoltage protection hysteresis, PVDD_x 0.45 V OTW Overtemperature warning, OTW_CLIP (2) 115 125 135 °C OTWhyst (2) Temperature drop needed below OTW temperature for OTW_CLIP to be inactive after OTW event. 20 °C OTE(2) Overtemperature error 145 155 165 °C OTEhyst (2) A reset needs to occur for FAULT to be released following an OTE event 20 °C OTE-OTW(differential) (2) OTE-OTW differential 25 °C OLPC Overload protection counter fPWM = 600 kHz (1024 PWM cycles) 1.7 ms IOC, BTL Overcurrent limit protection, speaker output current Nominal peak current in 1 Ω load 10 A IOC, PBTL 20 A IDCspkr, BTL DC Speaker Protection Current Threshold BTL current imbalance threshold 1.8 A IDCspkr, PBTL PBTL current imbalance threshold 3.6 A IOCT Overcurrent response time Time from switching transition to flip-state induced by overcurrent. 150 ns IPD Output pulldown current of each half Connected when RESET is active to provide bootstrap charge. Not used in SE mode. 3 mA STATIC DIGITAL SPECIFICATIONS VIH High level input voltage HEAD, OSCM, OSCP,CMUTE, RESET 1.9 V VIL Low level input voltage 0.8 V Ilkg Input leakage current 100 μA OTW/SHUTDOWN (FAULT) RINT_PU Internal pullup resistance, OTW_CLIP to AVDD, FAULT to AVDD 20 26 32 k Ω VOH High level output voltage Internal pullup resistor 3 3.3 3.6 V VOL Low level output voltage IO = 4 mA 200 500 mV Device fanout OTW_CLIP, FAULT No external pullup 30 devices |
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