Introduction bus ic dc/dc converter motor driver ic ripple counter driver ic I/O ic Sensor interface ic sensor ic ip’s E 910.16 Fan control E 910.17 Fan control E 910.69 Controller for 3 pfb E 910.63 8-channel half bridge driver E 910.64/65 DC motor H-bridge controller E 910.68 VirtuHall® PMSM/BLDC ÿ E 910.88 VirtuHall® PMSM/PWM E 910.87 EC motor controller pose motor drive application with supply voltages up to 27V. The ÿ Shoot through protection E910.88 can control a PMS motor by controlling the power FETs of ÿ Adjustable slew rate control three half bridges. This chip generates the control signals for the ÿ PWM Frequency up to 60KHz power FETs internally. For speed regulation the setpoint is force ÿ Output of VirtuHall® signals for sensor less 38 37 OP H2 H3 H1 34 33 32 VDD_OUT 31 DGND 30 AGND NC 52 29 PGND2 Positive pin of external capacitor 1 NC 53 28 PGND1 NC 54 27 NP 26 IOUT VPR 5 CP2 Negative pin of external capacitor 1 NC 55 NC 56 25 INNC 6 NC Not connencted NC 57 24 INN NC 58 23 INP 22 OC 7 NC Not connencted NC 59 NC 60 21 SR 8 VDRIVE Capacitor high- and low side drivers NC 61 20 LSGW NC 62 19 LSGV NC 63 18 LSGU NC 64 17 W Low side gate driver phase U/V/W MLPQ 64 L9 PINOUT IS NOT FINAL 6 7 8 9 10 11 12 HSGU 5 BOOT_W 4 BOOT_V Motor connection phase U/V/W LSG-[U/V/W] 3 BOOT_U [U-V-W] 2 VDRIVE 15 -17 1 CP3 High side gate driver phase U/V/W CP4 HSG- [U/V/W) CP2 12-14 CP1 Bootstrap capacitor phase U/V/W VS via the PWM interface. BOOT _ [U/V/W] rotor position detection 36 35 51 9 -11 13 14 15 16 ÿ Bootstrap under voltage detection and shutdown Sensor less rotor position detection of the BLDC motor is per- ÿ Protection against over voltage, under voltage, and formed by observing the neutral point voltage of the motor. Posi- 18 -20 tion information of the rotor is provided as digital “VirtuHall®” 21 SR Reference of gate charge and discharge current 22 OC Over current reference value 23 INP Positive input of current amplifier 24 INN Negative input of current amplifier 25 INNC Inverting input of current amplifier 26 IOUT Output of shunt current amplifier 27 NP Motor connection neutral point 28 -29 PGND [1 /2] Power ground 30 AGND Analog ground 43 DIR Direction of rotation 31 DGND Digital ground 44 PWM PWM Input for motor speed 32 VDD _ OUT Supply voltage of digital outputs 45 NC Not connencted NC Not connencted over temperature ÿ Diagnostic output, error registers effect sensor signals or as analog voltages for external signal ÿ PWM-Interface processing. The digital signals have a resolution of 30° of the elec- ÿ Temperature range: – 40°C to + 135°C trical rotor angle. Configuration of programmable parameters is ÿ MLPQ 64 L9 package executed via an SPI. A sophisticated protection system prevents the external MOSFETs from damage. application ÿ Speed control of PMS motors ÿ Position control of PMS motors VBAT CP2 CP1 V12CTR VDDA 5V Regulator Driver supply VDD 3.3V Regulator Pre-Regulator 5V ... 8V Over temp. detection Bandgap Enable logic BIAS EEPROM POR & Monitoring Control unit Overcurrent VDD_OUT VDD_µC VSDRIVE VS Block diagram EN ERROR DIR PWM VDRIVE BOOT_W VDRIVE external µC MOSI HSGU HS-driver H4 BLDC Motor UDS-Comp. V L2 W OP Operation mode control (Mode 3) 34 -37 H1-H4 Position Information 47 EN 38 CLK/TCK SPI clock; Test clock Enable signal, high active, wake up,not sleep VDD 3.3 V Regulator NCS/TMS SPI chip select signal, low active ; Test mode enable 48 39 49 VDDA 5V Regulator 40 MOSI/TDI SPI master out slave in; Test data in 50 TSTEN Global test enable 41 MISO/TDO SPI master in slave out; Test data out 51 VPR Programming voltage 42 ERROR Error interrupt signal 52-64 NC Not connencted L1 L3 VDRIVE LS-driver SPI OSC 4MHz Slewrate Detection logic Overcurrent Neutral point detection LSGV LSGW SR OC VDDA INP Differential amplifier Test Test MUX 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. INN INNC IOUT NP AGND DGND E910.88 PGNDx GND_µC HSGW U H1 H3 HSGV 33 46 LSGU MISO H2 BOOT_V BOOT_U CLK NCS 52 40 39 TSTEN 50 V12CTR 41 THIS PRODUCT IS UNDER DEVELOPMENT ÿ Bootstrap supply for highside drivers 42 V CP1 44 43 U This chip is designed for automotive application or general pur- 4 46 45 VSDRIVE bridges (B6 bridge) 3 47 H4 ÿ Gate drive circuit for three external NMOS half V12CTR Control output of 12V power supply voltage 48 VDDA 49 HSGV Power suply voltage of 12V regulator HSGW are designed to allow switching of up to 60kHz. Power supply voltage VSDRIVE CLK / TCK ÿ 3.3V or 5V µP Interface VS 2 NCS / TMS 1 MOSI / TDI controller to drive 6 N-channel power-FETs. The 6 driver outputs Description MISO / TDO ÿ VirtuHall® - commutation method Name PHU Pin PHV magnet synchronous motor control applications. The IC is a PWM PHW The E910.88 integrated circuit is an universal ASSP for permanent ÿ Sleep Mode Current less than 50µA NINT ÿ Single voltage supply in the range of VS = 6V to 27V package NRESET pinning EN description VDD features ÿ ÿ E910.88 ÿ THIS PRODUCT IS UNDER DEVELOPMENT THIS PRODUCT IS UNDER DEVELOPMENT ÿ VirtuHall® PMSM controller with PWM-interface Copyright © 2007 ELMOS Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited. GND www.elmos.de | [email protected] elmos product catalog 2007/2008 53