Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA3244 Datenblatt(PDF) 4 Page - Texas Instruments |
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TPA3244 Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 31 page 4 TPA3244 SLASEC6 – APRIL 2016 www.ti.com Product Folder Links: TPA3244 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated Pin Functions PIN I/O DESCRIPTION NAME NO. AVDD 9 P Internal voltage regulator, analog section BST_A 23 P HS bootstrap supply (BST), external 0.033 μF capacitor to OUT_A required. BST_B 24 P HS bootstrap supply (BST), external 0.033 μF capacitor to OUT_B required. BST_C 43 P HS bootstrap supply (BST), external 0.033 μF capacitor to OUT_C required. BST_D 44 P HS bootstrap supply (BST), external 0.033 μF capacitor to OUT_D required. CLIP_OTW 2 O Clipping warning and Over-temperature warning; open drain; active low C_START 8 O Startup ramp, requires a charging capacitor to GND DVDD 12 P Internal voltage regulator, digital section FAULT 4 O Shutdown signal, open drain; active low FREQ_ADJ 15 O Oscillator frequency programming pin GND 10, 11, 25, 26, 33, 34, 41, 42 P Ground GVDD_AB 22 P Gate-drive voltage supply; AB-side, requires 0.1 µF capacitor to GND GVDD_CD 1 P Gate-drive voltage supply; CD-side, requires 0.1 µF capacitor to GND INPUT_A 17 I Input signal for half bridge A INPUT_B 18 I Input signal for half bridge B INPUT_C 7 I Input signal for half bridge C INPUT_D 6 I Input signal for half bridge D M1 20 I Mode selection 1 (LSB) M2 19 I Mode selection 2 (MSB) OC_ADJ 16 I/O Over-Current threshold programming pin OSC_IOM 14 I/O Oscillator synchronization interface OSC_IOP 13 O Oscillator synchronization interface OUT_A 27, 28 O Output, half bridge A OUT_B 32 O Output, half bridge B OUT_C 35 O Output, half bridge C OUT_D 39, 40 O Output, half bridge D PVDD_AB 29, 30, 31 P PVDD supply for half-bridge A and B PVDD_CD 36, 37, 38 P PVDD supply for half-bridge C and D RESET 5 I Device reset Input; active low VDD 21 P Power supply for internal voltage regulator requires a 10-µF capacitor with a 0.1-µF capacitor to GND for decoupling. VBG 3 P Internal voltage reference requires a 0.1-µF capacitor to GND for decoupling. PowerPAD™ P Ground, connect to PCB copper pour. Placed on bottom side of device. Table 2. Mode Selection Pins MODE PINS INPUT MODE OUTPUT CONFIGURATION DESCRIPTION M2 M1 0 0 2N + 1 2 × BTL Stereo BTL output configuration 0 1 2N/1N + 1 1 x BTL + 2 x SE 2.1 BTL + SE mode 1 0 2N + 1 1 x PBTL Parallelled BTL configuration. Connect INPUT_C and INPUT_D to GND. 1 1 1N +1 4 x SE Single ended output configuration 7 Detailed Description 7.1 Overview To facilitate system design, the TPA3244 needs only a 12-V supply in addition to the (typical) 32-V power-stage supply. An internal voltage regulator provides suitable voltage levels for the digital and low-voltage analog circuitry, AVDD and DVDD. Additionally, all circuitry requiring a floating voltage supply, that is, the high-side gate drive, is accommodated by built-in bootstrap circuitry requiring only an external capacitor for each half-bridge. |
Ähnliche Teilenummer - TPA3244_16 |
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Ähnliche Beschreibung - TPA3244_16 |
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