bus ic Introduction dc/dc converter motor driver ic ripple counter driver ic I/O ic Sensor interface ic sensor ic ip’s E 910.06 Dual Ripple Counter E 910.40 Sensorless position control ÿE 910.71 Sensorless position control E 910.94 Sensorless speed control ÿ Sensorless position control of DC-motors, with drivers ÿ Output Current max. 400 mA per Half Bridge ly of HVAC flap actuators. ÿ Three independend Pulse Detectors and Counters ÿ Servo Control Positioning of Actuators Via an SPI a µC sends motor address, direction, and pulse count ÿ Excellent Positioning Performance command to the device. The corresponding motor will then be ÿ SPI for communication with µC driven to the desired position, and the actual number of counts ÿ Short Circuit Protection is sent back to the µC. ÿ Over Temperature Protection ÿ Battery Supply and 5V Monitor Diagnostic data such as over current, over temperature, and mo- ÿ Diagnostic Data via SPI tor stall is also transmitted via the SPI. ÿ QFN 7x7 32 package An open drain low side output indicates when a required motor ÿ SO28 package position is reached or diagnostic data is available. ICs can be connected in a daisy chain. application ÿ Positioning of HVAC Flaps (according to US patent 5, 203, 499 owned by BHTC) Block diagram VBAT VS VCP 6 � 6 6 6 � CLK MISO external µC MOSI CS DCO DR PROG TPIN Test input, connect to GND 5 8 TMODE Test input, connect to GND 6 9 VSSD Digital Ground 7 9 VSSA Analog Ground 8 10 VDD 5V supply input 9 11 TANA Test mode, connect to ground 10 12 CLP1 Low pass filter capacitor for ripple detection 1 11 13 CLP2 Low pass filter capacitor for ripple detection 2 12 14 CLP3 Low pass filter capacitor for ripple detection 3 13 15 CCP External charge pump capacitor 14 16 PGND Power ground 15 17 OUT1 Output half bridge 16 18 VBAT Battery supply 17 - NC Not connected 18 19 OUT2 Output half bridge 2 19 20 PGND Power ground 20 21 OUT3 Output half bridge 3 21 22 VBAT Battery supply 22 23 OUT4 Output half bridge 4 23 24 PGND Power ground 24 25 OUT5 Output half bridge 5 25 - NC Not connected 26 26 VBAT Battery supply 27 OUT6 Output half bridge 6 M1 PGND Power ground 29 1 CLK Clock input of SPI M4 30 2 CSB Chip select input 31 3 RxD Receive data input of SPI 32 4 TxD Transmit data output of SPI � M2 � M5 � M3 19 18 NC 7 OUT2 4 21 20 PGND Data ready flag output, open drain 22 OUT3 DRB 23 VBAT 6 24 17 NC 25 16 VBAT VBAT 26 15 OUT1 OUT6 27 14 PGND PGND 28 13 CCP CLK 29 12 CLP3 CSB 30 11 CLP2 RxD 31 10 CLP1 TxD 32 9 TANA 1 2 3 4 5 6 7 8 QFN 7x7 CLK 1 28 PGND CSB 2 27 OUT6 RxD 3 26 VBAT TxD 4 25 OUT5 CSOB 5 24 PGND DRB 6 23 OUT4 TPIN 7 22 VBAT TMODE 8 21 OUT3 VSS 9 20 PGND VDD 10 19 OUT2 TANA 11 18 VBAT CLP1 12 17 OUT1 CLP2 13 16 PGND CLP3 14 15 CCP SO28 OUT4 Ctrl. Ripple Detection 1 Ripple Detection 2 MUX 6 Ripple Detection 3 LP2 LP3 OUT5 OUT6 E910.71 LP1 62 3 28 OUT3 diag Chip select input/daisy chain out 27 OUT2 VDD Ground CSOB 28 OUT1 Int. supply/ charge pump GND 5 1 VDD - 2 VSSA the motors into countable digital signals for positioning especial- Description VSSD drive other kinds of loads Name TMODE dent pulse detection circuits convert the commutation current of Pin SO28 OUT4 ÿ Half Bridges not needed for Motor Control may Pin QFN7x7 TPIN motors simultaneously or up to 5 motors sequentially. 3 indepen- PGND 5 DC Motors DRB The IC features 6 configurable half bridges to drives up to 3 DC ÿ 6 Half Bridges configurable to drive 3, 4, or package OUT5 pinning GND description CSOB features E910.71 Note ELMOS Semiconductor AG (below ELMOS) reserves the right to make changes to the product contained in this publication without notice. ELMOS assumes no responsibility for the use of any circuits described herein, conveys no licence under any patent or other right, and makes no representation that the circuits are free of patent infringement. While the information in this publication has been checked, no responsibility, however, is assumed for inaccuracies. ELMOS does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of a life-support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications. Copyright © 2007 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited. www.elmos.de | [email protected] elmos product catalog 2007/2008 63