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TDA21321 データシート(PDF) 5 Page - Infineon Technologies AG |
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TDA21321 データシート(HTML) 5 Page - Infineon Technologies AG |
5 / 32 page TDA21321 Description Data Sheet 5 Revision 2.4, 2015-07-16 3 Description 3.1 Pinout Figure 2 Pinout, Numbering and Name of Pins (transparent top view) Table 2 I/O Signals Pin No. Name Pin Type Buffer Type Function 2 PWM I/O +3.3 V logic PWM drive logic input, Status output for VCIN The tri-state PWM input is compatible with 3.3 V. 3 OFF# I +3.3 V logic Deactivates LS-MOSFET Pull low to prevent LS-FET turn-on. Leave open if not used. (If traced out in noisy layout it may require external pull up.) 4 IMON O Analog Load current Sensing Provides a voltage proportional to the high/low-side MOSFET currents; Leave open if not used. 5 IMONREF O Analog Load current Sensing Reference to pin 4; Leave open if not used. 7 TMON/FAULT O Analog/ Digital Thermal Sensing / Fault Pin Temperature reporting, fault signaling by logic “H”; Status output of VDRV, Leave open if not used. 8 BOOT I Analog Bootstrap voltage pin Connect to BOOT capacitor 9 PHASE I Analog Switch node input Internally connected to SW pins, Connect to BOOT capacitor as reference pin for boot voltage 33-38 (pads) SW O Analog Switch node output High current output switching node |
同様の部品番号 - TDA21321 |
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同様の説明 - TDA21321 |
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