Resistive divider used for measuring temperature. More...

#include "vishay_ntcle413e2103f102l.h"
#include "fassert.h"
#include "foxmath.h"
#include "temperature_sensor_defs.h"
#include <math.h>
#include <stdbool.h>
#include <stdint.h>

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Macros

#define	TS_VISHAY_NTCLE413E2103F102L_ADC_VOLTAGE_V_MAX_V ((float_t)((TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_SUPPLY_VOLTAGE_V * ts_ntcle413e2103f102lLut[ts_ntcle413e2103f102lLutSize-1u].resistance_Ohm) / (ts_ntcle413e2103f102lLut[ts_ntcle413e2103f102lLutSize-1u].resistance_Ohm+TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_RESISTANCE_R_1_R_2_Ohm)))

#define	TS_VISHAY_NTCLE413E2103F102L_ADC_VOLTAGE_V_MIN_V ((float_t)((TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_SUPPLY_VOLTAGE_V * ts_ntcle413e2103f102lLut[0u].resistance_Ohm) / (ts_ntcle413e2103f102lLut[0u].resistance_Ohm+TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_RESISTANCE_R_1_R_2_Ohm)))

Functions
int16_t	TS_Vis02GetTemperatureFromLut (uint16_t adcVoltage_mV)
	returns temperature based on measured ADC voltage. More...

int16_t	TS_Vis02GetTemperatureFromPolynomial (uint16_t adcVoltage_mV)
	returns temperature based on measured ADC voltage More...

Variables
static const TS_TEMPERATURE_SENSOR_LUT_s	ts_ntcle413e2103f102lLut []

static const uint16_t	ts_ntcle413e2103f102lLutSize

Detailed Description

Resistive divider used for measuring temperature.

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SPDX-License-Identifier: BSD-3-Clause

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Author: foxBMS Team

Date: 2021-11-03 (date of creation)

Updated: 2023-10-12 (date of last update)

Version: v1.6.0

Prefix: TS

Definition in file vishay_ntcle413e2103f102l.c.

Macro Definition Documentation

◆ TS_VISHAY_NTCLE413E2103F102L_ADC_VOLTAGE_V_MAX_V

#define TS_VISHAY_NTCLE413E2103F102L_ADC_VOLTAGE_V_MAX_V ((float_t)((TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_SUPPLY_VOLTAGE_V * ts_ntcle413e2103f102lLut[ts_ntcle413e2103f102lLutSize-1u].resistance_Ohm) / (ts_ntcle413e2103f102lLut[ts_ntcle413e2103f102lLutSize-1u].resistance_Ohm+TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_RESISTANCE_R_1_R_2_Ohm)))

Defines for calculating the ADC voltage on the ends of the operating range. The ADC voltage is calculated with the following formula:

V_adc = ( ( V_supply * R_ntc ) / ( R + R_ntc ) )

Depending on the position of the NTC in the voltage resistor (R_1/R_2), different R_ntc values are used for the calculation.

Definition at line 95 of file vishay_ntcle413e2103f102l.c.

◆ TS_VISHAY_NTCLE413E2103F102L_ADC_VOLTAGE_V_MIN_V

#define TS_VISHAY_NTCLE413E2103F102L_ADC_VOLTAGE_V_MIN_V ((float_t)((TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_SUPPLY_VOLTAGE_V * ts_ntcle413e2103f102lLut[0u].resistance_Ohm) / (ts_ntcle413e2103f102lLut[0u].resistance_Ohm+TS_VISHAY_NTCLE413E2103F102L_RESISTOR_DIVIDER_RESISTANCE_R_1_R_2_Ohm)))

Defines for calculating the ADC voltage on the ends of the operating range. The ADC voltage is calculated with the following formula:

V_adc = ( ( V_supply * R_ntc ) / ( R + R_ntc ) )

Depending on the position of the NTC in the voltage resistor (R_1/R_2), different R_ntc values are used for the calculation.

Definition at line 97 of file vishay_ntcle413e2103f102l.c.

Function Documentation

◆ TS_Vis02GetTemperatureFromLut()

int16_t TS_Vis02GetTemperatureFromLut ( uint16_t adcVoltage_mV )

returns temperature based on measured ADC voltage.

Parameters

adcVoltage_mV voltage in mV

Returns: corresponding temperature in deci °C or INT16_MAX/INT16_MIN if NTC is shorted or got disconnected. The caller of this functions needs to check for these return values to prevent invalid data.

Definition at line 113 of file vishay_ntcle413e2103f102l.c.

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◆ TS_Vis02GetTemperatureFromPolynomial()

int16_t TS_Vis02GetTemperatureFromPolynomial ( uint16_t adcVoltage_mV )

returns temperature based on measured ADC voltage

Parameters

adcVoltage_mV voltage in mV

Returns: corresponding temperature in deci °C

Definition at line 165 of file vishay_ntcle413e2103f102l.c.

Variable Documentation

◆ ts_ntcle413e2103f102lLut

const TS_TEMPERATURE_SENSOR_LUT_s ts_ntcle413e2103f102lLut[]

static

Initial value:

= {
    {-40, 190953.0f}, {-35, 145953.0f}, {-30, 112440.0f}, {-25, 87285.0f}, {-20, 68260.0f}, {-15, 53762.0f},
    {-10, 42636.0f},  {-5, 34038.0f},   {0, 27348.0f},    {5, 22108.0f},   {10, 17979.0f},  {15, 17706.0f},
    {20, 12904.0f},   {25, 10000.0f},   {30, 8310.8f},    {35, 6941.1f},   {40, 5824.9f},   {45, 4910.6f},
    {50, 4158.3f},    {55, 3536.2f},    {60, 3019.7f},    {65, 2588.8f},   {70, 2228.0f},   {75, 1924.6f},
    {80, 1668.4f},    {85, 1451.3f},    {90, 1266.7f},    {95, 1109.2f},   {100, 974.26f},  {105, 858.33f}}

LUT filled from higher resistance to lower resistance

Definition at line 71 of file vishay_ntcle413e2103f102l.c.