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TDA21321 Fiches technique(PDF) 11 Page - Infineon Technologies AG |
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TDA21321 Fiches technique(HTML) 11 Page - Infineon Technologies AG |
11 / 32 page TDA21321 Electrical Specification Data Sheet 11 Revision 2.4, 2015-07-16 Table 9 Voltage Supply And Biasing Current Parameter Symbol Values Unit Note / Test Condition Min. Typ. Max. UVLO VCIN rising V UVLO1_R 3.0 – 4.0 V Driver enable threshold; above threshold driver is active, driver responds to PWM input when UVLO VDRV and UVLO BOOT are enabled, TMON/FAULT reports driver temperature when UVLO VDRV is enabled UVLO VCIN falling V UVLO1_F 2.6 – 3.6 Driver disable threshold; below threshold driver is inactive, PWM and TMON/FAULT held low by pull-down resistors UVLO VDRV rising V UVLO2_R 4.16 4.25 4.34 V GL, GH and TMON/FAULT enable threshold; when UVLO VCIN is enabled then: above threshold GL is enabled, GH depends on UVLO BOOT, TMON/FAULT is released to report driver temperature UVLO VDRV falling V UVLO2_F 3.7 3.8 3.9 GL, GH and TMON/FAULT disable threshold; when UVLO VCIN is enabled: below threshold after 3 consecutive cycles or 15 µs (typ.) the driver outputs GL/GH are disabled, TMON/FAULT stops temperature reporting and is held low by pull-down resistor UVLO BOOT rising V UVLOboot_R 3.88 4.05 4.22 V VBOOT-VSW rising, GH enable threshold; when UVLO VCIN and UVLO VDRV are active: above threshold GH responds to PWM UVLO BOOT falling V UVLOboot_F 3.5 3.63 3.76 VBOOT-VSW falling, GL/GH disable threshold; when UVLO VCIN and UVLO VDRV are enabled: below threshold counter starts, after 3 consecutive PWM cycles driver outputs are disabled Driver current I VDRV_600kHz – 18 – mA OFF# = 3.3 V, f SW = 600 kHz I VDRV_1MHz – 30 – OFF# = 3.3 V, f SW = 1 MHz IC current (control) I VCIN_O – 1.0 – mA OFF# = 3.3 V, PWM = Open for > 19 µs (typ.) IC quiescent I CIN+IDRV – 1.2 – Pre-Bias at SW VSW_0 – 120 160 mV PWM in Tri-state (VPWM_S), VCIN = VDRV = 5V, internal pull- down resistor 1.5 k Ω Table 10 Current Sense Parameter Symbol Values Unit Note / Test Condition Min. Typ. Max. IMON Voltage Range V IMON 0.8 – 2.2 V IMONREF is a current mirror output serving as unfiltered reference node. At IMON a filtered voltage signal proportional to the current is provided. It tracks the average value of IMONREF. IMONREF IMON gain resistor range RIMON 0.2 – 1.0 kΩ Current sense gain aCS - 6.67 - µA/A Leakage current ILeak -2 0 2 µA ID = 0, VCM = 1.5, PWM in tri-state Current Monitoring Zero current offset IOffset -3 0 3 µA Corresponds to 2.25 mV at 5 mV/A (RIMON = 750Ω), device in regulation Accuracy at 25 °C … 125 °C VDRV = 5 V ± 10 % VCIN = 5 V ± 10 % a11 -3 – 3 % for 45 A < Iout < IOCPtrip tested at 25 A, other guaranteed by design a12 -2.5 – 2.5 % for 25 A ≤ Iout ≤ 45 A a13 -0.5 – 0.5 A for -25 < Iout < 25 A a14 -20 – 20 % for -50 A ≤ Iout ≤ -25 A |
Numéro de pièce similaire - TDA21321 |
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Description similaire - TDA21321 |
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