TSDZ8 Controller PCB

TSDZ8 Controller PCB

Hardware

ICs

Function	Model
MCU	Infineon XMC1302-T038X0064
Gate Driver	Infineon IRS2005
MOSFET	BLP023N10
SMPS 5V	XL7005
OPAMP (I/V sense)	MCP602
OPAMP (Torque)	LM358
Voltage Ref	TL431C

Infineon XMC1302

PIN	Type	Function	Comment
P0.0	PWM	Phase C HS	Green
P0.1	PWM	Phase C LS	Green
P0.2	PWM	Phase B HS	Blue
P0.3	PWM	Phase B LS	Blue
P0.4	IN	Road Speed
P0.5	IN	PAS 1
P0.6	UART	TX
P0.7	UART	RX
P0.8	PWM	Phase A HS	Yellow
P0.9	PWM	Phase A LS	Yellow
P0.10	IN	Brake
P0.11
P0.12
P0.13		PAS 2
P0.14
P0.15
P1.0	IN	Hall A	Blue? Mismatching wire colors
P1.1	IN	Hall B	Yellow? Mismatching wire colors
P1.2	IN	Hall C	Green
P1.3	PWM	Torque Sensor Excitation
P1.4
P1.5	OUT	Light
P2.2	ADC	Torque Sensor
P2.3	ADC	Voltage Ref	TL431, Typical 2.495V.
P2.4	ADC	Voltage Sense	R1 = 330k, R2 = 20k, Vadc = Vbat * 20k / (330k + 20k)
P2.5	ADC	Throttle
P2.8	ADC	Current Sense Battery	MCP602 U6 (B), Rf = 10k, Rg = 1k, Gain = 10
P2.9	ADC	Current Sense C	MCP602 U6 (A), Rf = 10k, Rg = 1k, Gain = 10
P2.10	ADC	Current Sense B	MCP602 U7 (B), Rf = 10k, Rg = 1k, Gain = 10
P2.11	ADC	Current Sense A	MCP602 U7 (A), Rf = 10k, Rg = 1k, Gain = 10

Notes

LM358

VIN: 5V

OP1
Configured as voltage follower on voltage divider VIN/2.
Output connected to IN+ pins on MCP602 creating
a 5V/2 offset (2.436V on my board...)

OP2
Torque sensor reading. Output connected to ADC P2.2.

Torque Sensor Excitation

50kHz, 5Vpp at 10V offset