BD1020HFV

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BD1020HFV is a temperatures sensor IC (-30 °C to +100 °C) made by ROHM. This posting will provide the OSS-ECAL(Open Source Software for Electronic Components Abstraction Layer) for BD1020HFV.
MCU interface : ADC

CAUTION:The original language of this resource is Japanese. The translations are provided as a convenience and may be machine-translated, and we make no warranties as to the accuracy or adequacy of the translations. Please refer to the latest version of the Datasheet prior to actual design, etc.

BD1020HFV

General description

The BD1020HFV is a low current consumption (4 µA), high accuracy temperature sensor. The IC itself detects temperature and outputs a linear voltage according to temperature.

Feature

Low thermal resistance package (standard 187°C/W)
Electrostatic breakdown voltage 8kV ( HBM )
Excellent power supply ripple rejection characteristics

Application

Smartphones (RF Module, Battery Charge Protection)
Audio system
DSC
DVC
LCD
PDP
DVD
BlueRay Optical Pickup Module

OSS-ECAL specification

API Function

etSTS oBD1020HFV( etCMD cmd, float32* rlt )

Return value
Parameter IN
Parameter OUT

etSTS
etCMD cmd
float32* rlt

OSS-ECAL status code
OSS-ECAL command code
Temperature -30 to 100 [°C]

etCMD
eCMD_START

Feature :
Command to start AD conversion.

Process :
1. AD conversion start.

Command API function :
etSTS oBD1020HFV_START( void )

Return value :
eSTS_FIN
eSTS_ERR_HAL_ADC
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_ADC_OBJECT

NOTE :
Arduino, Mbeb, ModusToolbox not supported.

eCMD_READ

Feature :
Command that reads the AD conversion value, converts the AD conversion value to a characteristic Temperature, and stores the Temperature in rlt.

Process :
1. Read AD conversion value.
2. Convert AD conversion value to Temperature.
Voltage value = (AD conversion value × VDD) / ( 2^{AD bit} )
Temperature = ((voltage value – voltage offset value) / gain) + Temperature offset value (Min, Max Limit)
3. Store Temperature to rlt.

Command API function :
etSTS oBD1020HFV_READ( float32* rlt )

Return value :
eSTS_FIN
eSTS_ERR_MIN
eSTS_ERR_MAX
eSTS_ERR_HAL_ADC
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_ADC_OBJECT

NOTE :
Please execute this API function after starting AD conversion.
Arduino, Mbeb, ModusToolbox not supported.

eCMD_START_READ

Feature :
Command that starts AD conversion, waits for AD conversion to finish, reads out the AD conversion value, converts the AD conversion value to a characteristic Temperature, and stores the Temperature in rlt.

Process :
1. AD conversion start.
2. Wait until AD conversion is completed.
3. Read AD conversion value.
4. Convert AD conversion value to Temperature.
Voltage value = (AD conversion value × VDD) / ( 2^{AD bit} )
Temperature = ((voltage value – voltage offset value) / gain) + Temperature offset value (Min, Max Limit)
5. Store Temperature to rlt.

Command API function :
etSTS oBD1020HFV_START_READ( float32* rlt )

Return value :
eSTS_FIN
eSTS_ERR_MIN
eSTS_ERR_MAX
eSTS_ERR_HAL_ADC
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_ADC_OBJECT

NOTE :

Files

Folder^*	File	summary
BD1020HFV_HALNAME/sample	sample.c (.cpp)	Sample Application Program
	sample.h	Sample Application Header
BD1020HFV_HALNAME	oBD1020HFV.c (.cpp)	OSS-ECAL Program for BD1020HFV
	oBD1020HFV.h	OSS-ECAL Header for BD1020HFV
	oss_ecal.h	OSS-ECAL Common Header (Ver 01.00.00 or later)
	user_setting.c (.cpp)	Const and Table of User setting
	user_setting.h	Header of User setting
	readme.md	Readme
	OSS-ECAL Terms of Use.txt	OSS-ECAL Terms of Use

* For HALNAME, please refer to HAL Support.

HAL Support List

MCU/Board manufacturer	HAL	MCU*	Development environment*	HALNAME
Arduino	Arduino 1.8.6	ATmega2560 ATmega328P	Mega 2560 Rev3 Arduino Pro Mini 3.3V	ARDUINO
ARM	Mbed 6.17.0	STM32F401RETx	STM32 Nucleo-64 boards	MBED
Infineon	ModusToolbox HAL Cat1 2.4.3	CYBLE-416045-02	CY8CPROTO-063-BLE PSoC 6 BLE Prototyping Kit	ModusToolbox
NXP	MCUXpresso SDK iMXRT1051B_1052B ksdk2_0	CYBLE-416045-02	IMXRT1050-EVKB	iMXRT1051B1052B
Renesas	SSP 2.4.0	R7FS7G27H3A01CFC	S7G2 SK	SSP
STM	STM32Cube FW_F4 V1.27.1	STM32F401RETx	STM32 Nucleo-64 boards	STM32F4

* MCU and development environment at the time of development. Even if the same HAL is used, different MCUs and development environments may not work together.

OSS-ECAL Download

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HAL	Download　OSS-ECAL Ver
Arduino 1.8.6	Download BD1020HFV_ARDUINO_010000.zip 11.69 KB 0 count
Mbed 6.17.0	Download BD1020HFV_MBED_010000.zip 11.83 KB 0 count
ModusToolbox HAL Cat1 2.4.3	Download BD1020HFV_ModusToolbox_010000.zip 12.08 KB 0 count
MCUXpresso SDK iMXRT1051B_1052B ksdk2_0	Download BD1020HFV_iMXRT1051B1052B_010000.zip 12.73 KB 0 count
SSP 2.4.0	Download BD1020HFV_SSP_010000.zip 12.33 KB 0 count
STM32Cube FW_F4 V1.27.1	Download BD1020HFV_STM32F4_010000.zip 12.39 KB 0 count

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If you are unable to download the File, please contact us and let us know the model number and HAL type. We will send you the file as an email attachment.

Built-in How to

How to incorporate OSS-ECAL into user programs

How to incorporate multiple OSS-ECALs in a user program (same MCU function)

How to incorporate multiple OSS-ECALs in a user program (different MCU function)

How to incorporate multiple identical electronic components into a user program

How to reduce the impact on user programs by replacing electronic components