The TLE92466ED is a sophisticated six-channel low-side solenoid driver IC designed
for automotive and industrial applications requiring precise current control of
inductive loads.
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Device Family: Infineon PROFETβ’ + (Protected High-Current Switch)
Type: Low-Side Switch with Current Control
Application: Solenoid actuators, valves, relays
Integrated Current Controller (ICC) with 15-bit resolutionRange: 0-2000 mA (single channel), 0-4000 mA (parallel mode)
Resolution: 0.061 mA per LSB (single), 0.122 mA (parallel)
Dither support for precise current shaping (up to 1800 mA amplitude)
PWM-based regulation with configurable frequency
6 independent output channels Parallel operation pairs: CH0/CH3, CH1/CH2, CH4/CH5
Per-channel configuration and diagnostics
Individual enable/disable control
Open load detection (ON and OFF states)
Short to ground detection
Over-current protection (configurable threshold)
Over-temperature monitoring (warning + error)
Supply voltage monitoring (VBAT, VIO, VDD)
Load current feedback
32-bit SPI with 8-bit CRC (SAE J1850)
SPI watchdog for communication monitoring
Clock watchdog for oscillator verification
Unique 48-bit chip identification
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TLE92466ED
βββββββββββββββββββ
VBAT (1) βββββ€ 1 32 βββββ GND (32)
OUT0 (2) βββββ€ 2 31 βββββ OUT5 (31)
OUT1 (3) βββββ€ 3 30 βββββ OUT4 (30)
OUT2 (4) βββββ€ 4 29 βββββ OUT3 (29)
RESN (5) βββββ€ 5 28 βββββ CSN (28)
CSN (6) βββββ€ 6 27 βββββ SCK (27)
SCK (7) βββββ€ 7 26 βββββ SI (26)
SI (8) βββββ€ 8 25 βββββ VIO (25)
VIO (9) βββββ€ 9 24 βββββ SO (24)
SO (10) ββββ€ 10 23 βββββ EN (23)
EN (11) ββββ€ 11 22 βββββ DRV0 (22)
DRV0 (12) ββββ€ 12 21 βββββ DRV1 (21)
DRV1 (13) ββββ€ 13 20 βββββ FAULTN (20)
FAULTN (14) ββββ€ 14 19 βββββ VDD (19)
VDD (15) ββββ€ 15 18 βββββ GND (18)
GND (16) ββββ€ 16 17 βββββ VBAT (17)
βββββββββββββββββββ
PG-DSO-32 Package
Pin
Name
Type
Function
1, 17
VBAT
Power
Battery voltage supply (5.5V - 41V)
2-4, 29-31
OUT0-5
Output
Low-side switch outputs
5
RESN
Input
Active-low reset (disables outputs, resets registers)
6, 28
CSN
Input
SPI chip select (active low)
7, 27
SCK
Input
SPI clock (up to 10 MHz)
8, 26
SI
Input
SPI data input (MOSI)
9, 25
VIO
Power
SPI I/O voltage (3.3V or 5.0V)
10, 24
SO
Output
SPI data output (MISO)
11, 23
EN
Input
Global enable (active high)
12, 22
DRV0
Input
External drive input 0
13, 21
DRV1
Input
External drive input 1
14, 20
FAULTN
Output
Active-low fault indication (open drain)
15, 19
VDD
Power
Internal 5V supply output
16, 18, 32
GND
Ground
Ground connection
Parameter
Min
Max
Unit
VBAT (Battery Voltage)
-0.3
45
V
VIO (I/O Voltage)
-0.3
6
V
VDD Load Current
-
10
mA
Output Current (per channel)
-
2
A
Output Current (parallel)
-
4
A
Junction Temperature
-40
175
Β°C
Storage Temperature
-55
150
Β°C
Parameter
Min
Typ
Max
Unit
VBAT (Battery Voltage)
5.5
12/24
41
V
VIO (I/O Voltage)
3.0
3.3/5.0
5.5
V
Junction Temperature
-40
-
150
Β°C
SPI Clock Frequency
0.1
-
10
MHz
Parameter
Min
Typ
Max
Unit
Notes
Current Range (single)
0
-
2000
mA
Per channel
Current Range (parallel)
0
-
4000
mA
Paired channels
Current Resolution
-
0.061
-
mA
15-bit
Current Accuracy
-
Β±5
Β±10
%
At 25Β°C
Dither Amplitude
0
-
1800
mA
Configurable
Setting
Value
Application
00b
1.0 V/Β΅s
Low EMI, slow switching
01b
2.5 V/Β΅s
Standard operation
10b
5.0 V/Β΅s
Fast switching
11b
10.0 V/Β΅s
Maximum speed
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TLE92466ED Architecture
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β β
β ββββββββββββββ βββββββββββββββββ ββββββββββββββββββββ β
β β 5V Reg ββββββΆβ Clock Gen ββββββΆβ SPI Interface β β
β β (VDD) β β & Watchdog β β 32-bit CRC β β
β ββββββββββββββ βββββββββββββββββ ββββββββββββββββββββ β
β β β β β
β β β β β
β ββββββββΌβββββββββββββββββββββΌβββββββββββββββββββββββΌββββββββββββ β
β β Control Logic & State Machine β β
β β (Config Mode / Mission Mode Management) β β
β βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ β
β β β
β βββββββββββββββββββββββββββΌββββββββββββββββββββββββββ β
β β β β β
β ββββββββΌββββββββ ββββββββΌββββββββ ββββββββΌββββββββ
β β Channel 0 β β Channel 1 β ... β Channel 5 ββ
β β βββββββββββ β β βββββββββββ β β βββββββββββ ββ
β β β ICC β β β β ICC β β β β ICC β ββ
β β β PWM β β β β PWM β β β β PWM β ββ
β β β Dither β β β β Dither β β β β Dither β ββ
β β ββββββ¬βββββ β β ββββββ¬βββββ β β ββββββ¬βββββ ββ
β β β β β β β β β ββ
β β ββββββΌβββββ β β ββββββΌβββββ β β ββββββΌβββββ ββ
β β β Driver β β β β Driver β β β β Driver β ββ
β β β Stage β β β β Stage β β β β Stage β ββ
β β ββββββ¬βββββ β β ββββββ¬βββββ β β ββββββ¬βββββ ββ
β β β β β β β β β ββ
β β ββββββΌβββββ β β ββββββΌβββββ β β ββββββΌβββββ ββ
β β βDiag & β β β βDiag & β β β βDiag & β ββ
β β βFeedback β β β βFeedback β β β βFeedback β ββ
β β ββββββ¬βββββ β β ββββββ¬βββββ β β ββββββ¬βββββ ββ
β βββββββββΌβββββββ βββββββββΌβββββββ βββββββββΌβββββββ
β β β β β
β βΌ βΌ βΌ β
β OUT0 OUT1 OUT5 β
β β β β β
ββββββββββββΌβββββββββββββββββββββββββΌβββββββββββββββββββββββββΌββββββββ
β β β
βΌ βΌ βΌ
Load 0 Load 1 Load 5
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Microcontroller TLE92466ED
βββββββββββββββ ββββββββββββ
β β β β
VCC (3.3/5V) βββ€ VCC β β VIO ββββββΌββ VCC
β β β β
βββββββββββ€ SPI_CS CSNβββββββββββββββββββββ€ CSN β
β β β β β
βββββββββββ€ SPI_CLK SCKβββββββββββββββββββββ€ SCK β
β β β β β
βββββββββββ€ SPI_MOSI SIβββββββββββββββββββββ€ SI β
β β β β β
βββββββββββ€ SPI_MISO SOβββββββββββββββββββββ€ SO β
β β β β
β GPIO ENβββββββββββββββββββββ€ EN β
β β β β
β GPIO RESN βββββββββββββββββββββ€ RESN β
β β β β
β GPIO FAULTNβββββββββββββββββββββ€ FAULTN β
β β β β
β GND βββββββββββββββββββββ€ GND β
β β β β
βββββββββββββββ β VBAT βββββΌββ 12/24V
β β
β OUT0 βββββΌβββ
β OUT1 βββββΌβββ€
β OUT2 βββββΌβββΌββ Solenoids
β OUT3 βββββΌβββ€ (Inductive)
β OUT4 βββββΌβββ€
β OUT5 βββββΌβββ
β β
ββββββββββββ
External Components:
- Decoupling: 100nF ceramic + 10Β΅F electrolytic on VBAT
- VIO decoupling: 100nF ceramic
- Pull-up on FAULTN: 10kΞ© to VIO
- Pull-down on RESN: 10kΞ© to GND (optional)
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Power-On Reset
β
βΌ
ββββββββββββββββ
β Config Mode β ββββββββββββββββ
β β β
β - Configure β β
β - Set modes β OP_MODE=0 β
β - Parallel β β
β - No outputs β β
ββββββββ¬ββββββββ β
β OP_MODE=1 β
β β
βΌ β
ββββββββββββββββ β
β Mission Mode β β
β β β
β - Enable CH β β
β - Outputs ON β Faults or β
β - Monitor β Reset β
β - Control β ββββββββββββββββ
ββββββββββββββββ
Purpose : Configuration and initializationAccess : Register writes to mode-locked registersOutputs : All channels disabledUse Cases : Startup configuration, mode changes, parallel setup
Purpose : Normal operationAccess : Channel enable/disable, current controlOutputs : Enabled channels activeUse Cases : Runtime operation, current control, monitoring
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Time ββββββββββββββββββββββββββββββββββββββββββββββββββββββΆ
VBAT βββββββββββββββββββββββββββββββββββββββββββββ
β
βββββββββ
VIO βββββββββββββββββββββββββββββββββββββββββββββββ
β
βββββββββββββ
RESN ββββββββββ βββββββββββββββββββββββββββ
β tRES β
ββββββββββββββββββ βββββββββββββββββββββββββββ
SPI ββββββββββββββββββββββ
Access β Communication ready
ββββββββββββββββββββββββββββββ΄ββββββββββββββββββββββββ
Notes:
- tRES (min): 1 Β΅s pulse width
- Power-up delay: ~1 ms after VBAT/VIO stable
- SPI accessible after tPOR + tRES
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Output Current vs Setpoint (Typical, 25Β°C)
Iout
β β±
2Aβ β±
β β±
1.5Aβ β±
β β±
1Aβ β±
β β±
0.5Aβ β±
β β±
0Aβββββββββββββββββββββββββββββββββββββββββ Setpoint
0 0.5A 1A 1.5A 2A
Accuracy: Β±5% typical, Β±10% maximum
Operating: -40Β°C to +150Β°C junction
Over-temperature warning: ~165Β°C
Over-temperature error: ~175Β°C
Thermal shutdown: Automatic channel disable