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VNH5019A-E Arkusz danych(PDF) 6 Page - STMicroelectronics |
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VNH5019A-E Arkusz danych(HTML) 6 Page - STMicroelectronics |
6 / 37 page Block diagram and pin description VNH5019A-E 6/37 Doc ID 15701 Rev 8 Figure 2. Configuration diagram (top view) Table 1. Suggested connections for unused and not connected pins Connection / pin Current sense N.C. OUTx INPUTx, PWM DIAGx/ENx CS_DIS Floating Not allowed X X X To ground Through 1 k Ω resistor X Not allowed Through 10 k Ω resistor Table 2. Pin definitions and functions Pin Symbol Function 1, 25, 30 OUTA, Heat Slug2 Source of high-side switch A / drain of low-side switch A, power connection to the motor 2,14,17, 22, 24,29 N.C. Not connected 3, 13, 23 VCC, Heat Slug1 Drain of high-side switches and connection to the drain of the external PowerMOS used for the reverse battery protection 12 VBAT Battery connection and connection to the source of the external PowerMOS used for the reverse battery protection 5ENA/DIAGA Status of high-side and low-side switches A; open drain output. This pin must be connected to an external pull-up resistor. When externally pulled low, it disables half-bridge A. In case of fault detection (thermal shutdown of a high-side FET or excessive ON-state voltage drop across a low-side FET), this pin is pulled low by the device (see Table 13: Truth table in fault conditions (detected on OUTA)) OUTA OUTA OUTA OUTB OUTB N.C. VCC INA ENA/DIAGA CS_DIS PWM CS ENB/DIAGB INB CP VBAT VCC OUTB N.C. N.C. GNDA GNDA GNDA N.C. VCC N.C. GNDB GNDB GNDB 1 15 16 30 VCC Heat Slug1 OUTB Heat Slug3 OUTA Heat Slug2 N.C. |
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