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DRV8809A0PAP 数据表(PDF) 40 Page - Texas Instruments |
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DRV8809A0PAP 数据表(HTML) 40 Page - Texas Instruments |
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40 / 44 page  DRV8809 DRV8810 SLVS854A – JULY 2008 – REVISED JULY 2008 ............................................................................................................................................................... www.ti.com Table 19. Function Table nORT, Power Down, VM < 4.5 V Conditions nORT (RESET) DEVICE STATUS CHARGE PUMP OSCD OSCM MODE SETTING OUTPUT nSLEEP Active Active Active Inactive Available Depend on power nORT Inactive Active Active Active down VM < 6 V during power Depend on power Active Active Active See timing chart down down 4.5 V < VM Inactive Inactive Inactive Active Unavailable Table 20. Shutdown Functions CASE OF SUPPLY DC-DC Vout1 DC-DC Vout2 DC-DC Vout3 MOTOR nORT (RESET) SHUTDOWN DC-DC Vout1 OCP, Shut down Shut down Shut down Shut down Reset ON (L out) OVP DC-DC Vout2 OCP, Shut down Shut down Shut down Shut down Reset ON (L out) OVP DC-DC Vout3 OCP, Shut down Shut down Shut down Shut down Reset ON (L out) OVP Reset one pulse (tlow = 40 Motor OCP NA NA NA OFF ms) TSD Shut down Shut down Shut down Shut down Reset ON (L out) • Shutdown of DC-DCs is released at V M > VthVM+ when VM is increasing. In case VM decreases, DC-DCs are shut down when VM <VthV_. When VM decreases and VthVM+ > VM > VthV_, the DC-DC output voltage supervisor is ignored. • Motor shutdown is released by V M < 4.5 V or nSLEEP rising edge. • nORT (reset) ON/OFF time is 40 ms. • The data in Table 21 is valid if the protection control bits in the EX-setup register are all 0. Table 21. Modes of Operation(1)(2) M EXTERNAL POR ISD OVP TSD IC BLOCK FUNCTIONS OFF PIN Vout MOTO Vout Vout nSL MOT Vout VM VM Vout2 Vout3 Vout1 MOTOR CSEL Vout2 Vout3 nORT 1 R 2 3 EEP OR 1 0 0 0 0 0 0 0 0 0 0 H N On On On On H 1 X X X X X X X X X X X Off Off Off Off Off L 0 1 X X X X X X X X X X O On Off On/Off On/Off H 0 1 X X X X X X X X X p S/D S/D S/D S/D L 0 1 X X X X X X X X e S/D S/D S/D S/D L 0 1 X X X X X X X r S/D S/D S/D S/D L 0 1 X X X X X X a Off On On On L/P 0 1 X X X X X t S/D S/D S/D S/D L 0 1 X X X X I S/D S/D S/D S/D L 0 1 X X X o S/D S/D S/D S/D L 0 1 X X n S/D S/D S/D S/D L 0 Low X S Off On On On H Hig All off X Off Off Off L h 200 k X On On Off H Open X Off On On H (1) Valid only if the protection control bits (in EX-setup register) are all 0. (2) N = Normal operation, S = Sleep mode, 0 = Off, 1 = On, X = Don’t care, S/D = Shutdown, P = Pulse after fault occurs (retry), OFF = Must toggle sleep terminal or power-on reset (nORT), S/D = Must do a power-on reset (nORT) 40 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): DRV8809 DRV8810 |
类似零件编号 - DRV8809A0PAP |
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类似说明 - DRV8809A0PAP |
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