SLDS182A August 2010 – July 2015 TPIC7218-Q1
PRODUCTION DATA.
PIN | I/O | FUNCTION DESCRIPTION | INPUT PIN PULLUP OR PULLDOWN |
PIN DURING RESET CONDITION |
|
---|---|---|---|---|---|
NAME | NO. | ||||
CHP | 60 | O | External 100-nF capacitor to VBAT for an internal charge pump | Pullup | VCHP = VBAT + 12 V (typical) |
CNT_CLR | 23 | I | Clear bit for the 8-bit digital counter that counts the wheel-speed sensor pulse edges seen in WSSOUTx | Pulldown | |
CNT_EN | 22 | I | Enable bit for the 8-bit digital counter that counts the wheel-speed sensor pulse edges seen in WSSOUTx | Pulldown | |
CSN | 44 | I | SPI chip select active low pin | Pullup | |
DMR | 55 | I | Drain pin for master relay (MR) FET | Pulldown | Externally supplied voltage (VBAT) |
DPR | 62 | I | Drain pin for PR (pump motor relay) FET | Pulldown | Externally supplied voltage (VBAT) |
GMR | 57 | O | Gate pin for master relay (MR) FET | Low | |
GND | 6 | Ground | Ground | ||
GPR | 58 | O | Gate pin for PR (pump motor relay) FET | Low | |
HSMC | 45 | I | Logic input for MR (master relay) FET | Pulldown | |
HSPC | 47 | In | Logic input for PR (pump motor relay) FET | Pulldown | |
ISOK | 54 | I/O | K-line serial data transmit output to diagnosis tester and K-line serial data receive input from diagnosis tester | High-Z | High-Z |
KRx | 49 | O | K-line serial data input to the microcontroller | High | |
KTx | 48 | I | K-line serial data output from the microcontroller | Pullup | |
nRST | 11 | I/O | Reset signal that is used to either indicate an internal reset event or to induce an external reset | Pulldown | See Table 5-1 |
PGND1 | 37 | Ground | Power ground pin for low-side valve driver 1 | ||
PGND2 | 31 | Ground | Power ground pin for low-side valve driver 2 | ||
32 | |||||
PGND3 | 29 | Ground | Power ground pin for low-side valve driver 3 | ||
30 | |||||
PGND4 | 24 | Ground | Power ground pin for low-side valve driver 4 | ||
PGND5 | 63 | Ground | Power ground pin for low-side valve driver 5 | ||
64 | |||||
PGND6 | 69 | Ground | Power ground pin for low-side valve driver 6 | ||
70 | |||||
PGND7 | 71 | Ground | Power ground pin for low-side valve driver 7 | ||
72 | |||||
PGND8 | 77 | Ground | Power ground pin for low-side valve driver 8 | ||
Q1 | 35 | O | Drain pin of the low-side valve driver 1 | High-Z | |
36 | |||||
Q2 | 33 | O | Drain pin of the low-side valve driver 2 | High-Z | |
34 | |||||
Q3 | 27 | O | Drain pin of the low-side valve driver 3 | High-Z | |
28 | |||||
Q4 | 25 | O | Drain pin of the low-side valve driver 4 | High-Z | |
26 | |||||
Q5 | 65 | O | Drain pin of the low-side valve driver 5 | High-Z | |
66 | |||||
Q6 | 67 | O | Drain pin of the low-side valve driver 6 | High-Z | |
68 | |||||
Q7 | 73 | O | Drain pin of the low-side valve driver 7 | High-Z | |
74 | |||||
Q8 | 75 | O | Drain pin of the low-side valve driver 8 | High-Z | |
76 | |||||
REF | 8 | I | Reference pin used to generate the internal bias currents. An external load of 10 kΩ is needed. | Pulldown | REF = 1.25 V |
SCLK | 43 | I | SPI clock pin | Pulldown | |
SI | 42 | I | SPI input pin | Pulldown | |
SMR | 56 | O | Source pin for master relay (MR) FET | Low | |
SO | 41 | O | SPI output pin | High-Z | |
SPR | 61 | I/O | Source pin for PR (pump motor relay) FET | Low | |
TEST | 46 | I | Internal test pin. For any application, this is externally pulled to ground with a 1-kΩ resistor. | Pulldown | |
VBAT | 59 | Power | Battery power supply (after reverse battery) | ||
VCC3 | 7 | Power | Internal regulator for digital logic. Connect this pin only to a capacitor for regulator stability. | VCC3 = 3.3 V | |
VDD | 9 | Power | 5-V external power supply | ||
VIO | 38 | Power | 3.3-V or 5-V external supply for the I/O buffers | ||
VREF | 13 | I | Externally supplied voltage reference used to set the current detection thresholds for the wheel-speed sensor interface | Pulldown | |
WDIN | 10 | I | Watchdog timer signal | Pulldown | |
WLG1 | 50 | I | Logic input for warning lamp driver 1 | Pulldown | |
WLG2 | 51 | I | Logic input for warning lamp driver 2 | Pulldown | |
WLQ1 | 52 | O | Drain pin of low-side warning lamp driver 1 | See Table 5-1 | |
WLQ2 | 53 | O | Drain pin of low-side warning lamp driver 2 | See Table 5-1 | |
WL_LS | 12 | O | Low side switch for warning-lamp driver control that indicates the watchdog status | High-Z | See Table 5-1 |
WSLS1 | 21 | I | Wheel-speed sensor channel 1 low-side switch | High-Z | |
WSLS2 | 20 | I | Wheel-speed sensor channel 2 low-side switch | High-Z | |
WSLS3 | 19 | I | Wheel-speed sensor channel 3 low-side switch | High-Z | |
WSLS4 | 18 | I | Wheel-speed sensor channel 4 low-side switch | High-Z | |
WSP1 | 80 | O | Supplies VBAT power to wheel-speed sensor channel 2 | Low | |
WSP2 | 1 | O | Supplies VBAT power to wheel-speed sensor channel 2 | Low | |
WSP3 | 2 | O | Supplies VBAT power to wheel-speed sensor channel 3 | Low | |
WSP4 | 3 | O | Supplies VBAT power to wheel-speed sensorchannel 4 | Low | |
WSS1 | 17 | I | Wheel-speed sensor channel 1 signal pin | Pulldown | |
WSS2 | 16 | I | Wheel-speed sensor channel 2 signal pin | Pulldown | |
WSS3 | 15 | I | Wheel-speed sensor channel 3 signal pin | Pulldown | |
WSS4 | 14 | I | Wheel-speed sensor channel 4 signal pin | Pulldown | |
WSSOUT1 | 78 | O | Supplies processed wheel-speed pulse signal output to the microcontroller of channel 1 in a digital voltage form | Low | |
WSSOUT2 | 79 | O | Supplies to the microcontroller the processed wheel-speed pulse signal of channel 2 in a digital voltage form | Low | |
WSSOUT3 | 4 | O | Supplies to the microcontroller the processed wheel-speed pulse signal of channel 3 in a digital voltage form | Low | |
WSSOUT4 | 5 | O | Supplies to the microcontroller the processed wheel-speed pulse signal of channel 4 in a digital voltage form | Low | |
WSSQ1 | 40 | O | Drain pin for wheel-speed channel 1 output driver. Used to pass WSSOUT1 information to a high-voltage capable node | High-Z | |
WSSQ2 | 39 | O | Drain pin for wheel-speed channel 2 output driver. Used to pass WSSOUT2 information to a high-voltage capable node | High-Z | |
PAD | Ground | Thermal power ground pin for low-side drivers. Connect to PGNDx plane. |