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MC33887DHR2 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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MC33887DHR2 Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
4 / 37 page Analog Integrated Circuit Device Data 4 Freescale Semiconductor 33887 PIN CONNECTIONS Figure 4. 33887 Pin Connections Table 2. PQFN PIN DEFINITIONS A functional description of each pin can be found in the Functional Pin DescriptionS section, page 21. Pin Pin Name Formal Name Definition 1, 7, 10, 16, 19, 28, 31 NC No Connect No internal connection to this pin. 2 D1 Disable 1 Active HIGH input used to simultaneously tri-state disable both H-Bridge outputs. When D1 is Logic HIGH, both outputs are tri-stated. 3 IN2 Logic Input Control 2 Logic input control of OUT2 (i.e., IN2 logic HIGH = OUT2 HIGH). 4 EN Enable Logic input Enable control of device (i.e., EN logic HIGH = full operation, EN logic LOW = Sleep Mode). 5, 6, 12, 13, 34, 35 V+ Positive Power Supply Positive supply connections. 8 AGND Analog Ground Low-current analog signal ground. 9 FS Fault Status for H-Bridge Open drain active LOW Fault Status output requiring a pull-up resistor to 5.0 V. 11 IN1 Logic Input Control 1 Logic input control of OUT1 (i.e., IN1 logic HIGH = OUT1 HIGH). 14, 15, 17, 18 OUT1 H-Bridge Output 1 Output 1 of H-Bridge. 20 FB Feedback for H-Bridge Current feedback output providing ground referenced 1/375th ratio of H-Bridge high-side current. 21–26 PGND Power Ground High-current power ground. 27 D2 Disable 2 Active LOW input used to simultaneously tri-state disable both H-Bridge outputs. When D2 is Logic LOW, both outputs are tri-stated. 29, 30, 32, 33 OUT2 H-Bridge Output 2 Output 2 of H-Bridge. 36 CCP Charge Pump Capacitor External reservoir capacitor connection for internal charge pump capacitor. Pad Thermal Interface Exposed Pad Thermal Interface Exposed pad thermal interface for sinking heat from the device. Note: Must be DC-coupled to analog ground and power ground via very low impedance path to prevent injection of spurious signals into IC substrate. D2 NC 28 27 26 25 24 23 22 21 2 3 4 5 6 7 8 9 PGND PGND PGND PGND PGND PGND IN2 D1 EN V+ V+ NC AGND FS 20 FB 19 NC 10 NC 1 NC Transparent Top View of Package |
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