ltm3360b.h File Reference

Header file of the LTM3360B driver. More...

#include <stdint.h>
#include <stdbool.h>
#include "no_os_util.h"
#include "no_os_i2c.h"

Include dependency graph for ltm3360b.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	ltm3360b_dev
	LTM3360B Device Descriptor. More...
struct	ltm3360b_init_param
	LTM3360B Initialization Parameters. More...

Macros
#define	LTM3360B_I2C_ADDR   0x69
#define	LTM3360B_EN_IMON_CTRL   0x01
#define	LTM3360B_VOUT_SETTING   0x03
#define	LTM3360B_ADC_SELECT   0x04
#define	LTM3360B_ADC_CTRL   0x05
#define	LTM3360B_ADC_OUTPUT   0x06
#define	LTM3360B_IGNORE_EN_IN_BIT   NO_OS_BIT(0)
#define	LTM3360B_EN_I2C_BIT   NO_OS_BIT(1)
#define	LTM3360B_OPT_IMON_TH_MSK   NO_OS_GENMASK(3, 2)
#define	LTM3360B_ADC_SEL_IN(x)
#define	LTM3360B_OPT_IMON_TH(x)
#define	LTM3360B_VOUT_LSB_MV   4
#define	LTM3360B_VOUT_MV_TO_CODE(mv)
#define	LTM3360B_VOUT_CODE_TO_MV(code)
#define	LTM3360B_EN_ADC_BIT   NO_OS_BIT(0)
#define	LTM3360B_ADC_CONV_TIME_MS   4
#define	LTM3360B_VOUT_MIN_MV   297
#define	LTM3360B_VOUT_MAX_MV   1000

Enumerations
enum	ltm3360b_imon_threshold {   LTM3360B_IMON_TH_99_PERCENT ,   LTM3360B_IMON_TH_89_PERCENT ,   LTM3360B_IMON_TH_79_PERCENT ,   LTM3360B_IMON_TH_69_PERCENT }
	IMON Threshold settings. More...
enum	ltm3360b_adc_channel {   LTM3360B_ADC_IMON ,   LTM3360B_ADC_TEMP ,   LTM3360B_ADC_VOUT_P ,   LTM3360B_ADC_VOUT_N ,   LTM3360B_ADC_VIN }
	ADC Input selection. More...

Functions
int	ltm3360b_init (struct ltm3360b_dev **device, struct ltm3360b_init_param *init_param)
	Initialize LTM3360B device.
int	ltm3360b_remove (struct ltm3360b_dev *dev)
	Remove LTM3360B device instance.
int	ltm3360b_reg_read (struct ltm3360b_dev *dev, uint8_t reg, uint8_t *data)
	Read register from LTM3360B device.
int	ltm3360b_reg_write (struct ltm3360b_dev *dev, uint8_t reg, uint8_t data)
	Write register to LTM3360B device.
int	ltm3360b_reg_update (struct ltm3360b_dev *dev, uint8_t reg, uint8_t mask, uint8_t val)
	Update register bits using mask - modifies only specified bits.
int	ltm3360b_enable_device (struct ltm3360b_dev *dev, bool enable)
	Enable or disable LTM3360B device.
int	ltm3360b_set_vout_mv (struct ltm3360b_dev *dev, uint16_t vout_mv)
	Set output voltage.
int	ltm3360b_get_vout_mv (struct ltm3360b_dev *dev, uint16_t *vout_mv)
	Get current output voltage setting.
int	ltm3360b_set_imon_threshold (struct ltm3360b_dev *dev, enum ltm3360b_imon_threshold threshold)
	Set IMON threshold for overcurrent detection.
int	ltm3360b_adc_enable (struct ltm3360b_dev *dev, bool enable)
	Enable or disable ADC.
int	ltm3360b_adc_read_raw (struct ltm3360b_dev *dev, enum ltm3360b_adc_channel channel, uint8_t *result)
	Read raw ADC value.

Detailed Description

Header file of the LTM3360B driver.

Author

Janani Sunil (janan.nosp@m.i.su.nosp@m.nil@a.nosp@m.nalo.nosp@m.g.com)

Copyright 2026(c) Analog Devices, Inc.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Macro Definition Documentation

LTM3360B_ADC_CONV_TIME_MS

#define LTM3360B_ADC_CONV_TIME_MS   4

LTM3360B_ADC_CTRL

#define LTM3360B_ADC_CTRL   0x05

LTM3360B_ADC_OUTPUT

#define LTM3360B_ADC_OUTPUT   0x06

LTM3360B_ADC_SEL_IN

#define LTM3360B_ADC_SEL_IN

(

x

)

Value:

((x) & NO_OS_GENMASK(2, 0))

LTM3360B_ADC_SELECT

#define LTM3360B_ADC_SELECT   0x04

LTM3360B_EN_ADC_BIT

#define LTM3360B_EN_ADC_BIT   NO_OS_BIT(0)

LTM3360B_EN_I2C_BIT

#define LTM3360B_EN_I2C_BIT   NO_OS_BIT(1)

LTM3360B_EN_IMON_CTRL

#define LTM3360B_EN_IMON_CTRL   0x01

LTM3360B_I2C_ADDR

#define LTM3360B_I2C_ADDR   0x69

LTM3360B_IGNORE_EN_IN_BIT

#define LTM3360B_IGNORE_EN_IN_BIT   NO_OS_BIT(0)

LTM3360B_OPT_IMON_TH

#define LTM3360B_OPT_IMON_TH

(

x

)

Value:

(((x) << 2) & LTM3360B_OPT_IMON_TH_MSK)

LTM3360B_OPT_IMON_TH_MSK

#define LTM3360B_OPT_IMON_TH_MSK   NO_OS_GENMASK(3, 2)

LTM3360B_VOUT_CODE_TO_MV

#define LTM3360B_VOUT_CODE_TO_MV

(

code

)

Value:

((code) * LTM3360B_VOUT_LSB_MV)

LTM3360B_VOUT_LSB_MV

#define LTM3360B_VOUT_LSB_MV   4

LTM3360B_VOUT_MAX_MV

#define LTM3360B_VOUT_MAX_MV   1000

LTM3360B_VOUT_MIN_MV

#define LTM3360B_VOUT_MIN_MV   297

LTM3360B_VOUT_MV_TO_CODE

#define LTM3360B_VOUT_MV_TO_CODE

(

mv

)

Value:

((mv) / LTM3360B_VOUT_LSB_MV)

LTM3360B_VOUT_SETTING

#define LTM3360B_VOUT_SETTING   0x03

Enumeration Type Documentation

ltm3360b_adc_channel

enum ltm3360b_adc_channel

ADC Input selection.

Enumerator
LTM3360B_ADC_IMON
LTM3360B_ADC_TEMP
LTM3360B_ADC_VOUT_P
LTM3360B_ADC_VOUT_N
LTM3360B_ADC_VIN

ltm3360b_imon_threshold

enum ltm3360b_imon_threshold

IMON Threshold settings.

Enumerator
LTM3360B_IMON_TH_99_PERCENT
LTM3360B_IMON_TH_89_PERCENT
LTM3360B_IMON_TH_79_PERCENT
LTM3360B_IMON_TH_69_PERCENT

Function Documentation

ltm3360b_adc_enable()

int ltm3360b_adc_enable	(	struct ltm3360b_dev *	dev,
		bool	enable )

Enable or disable ADC.

Parameters

dev	- LTM3360B device structure
enable	- true to enable, false to disable

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_adc_read_raw()

int ltm3360b_adc_read_raw	(	struct ltm3360b_dev *	dev,
		enum ltm3360b_adc_channel	channel,
		uint8_t *	result )

Read raw ADC value.

Parameters

dev	- LTM3360B device structure
channel	- ADC channel to read
result	- Pointer to store ADC result

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_enable_device()

int ltm3360b_enable_device	(	struct ltm3360b_dev *	dev,
		bool	enable )

Enable or disable LTM3360B device.

Parameters

dev	- LTM3360B device structure
enable	- true to enable, false to disable

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_get_vout_mv()

int ltm3360b_get_vout_mv	(	struct ltm3360b_dev *	dev,
		uint16_t *	vout_mv )

Get current output voltage setting.

Parameters

dev	- LTM3360B device structure
vout_mv	- Pointer to store output voltage in millivolts

Returns

0 in case of success, negative error code otherwise

ltm3360b_init()

int ltm3360b_init	(	struct ltm3360b_dev **	device,
		struct ltm3360b_init_param *	init_param )

Initialize LTM3360B device.

Parameters

device	- Pointer to the device structure
init_param	- Initialization parameters

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_reg_read()

int ltm3360b_reg_read	(	struct ltm3360b_dev *	dev,
		uint8_t	reg,
		uint8_t *	data )

Read register from LTM3360B device.

Parameters

dev	- LTM3360B device structure
reg	- Register address
data	- Pointer to store read data

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_reg_update()

int ltm3360b_reg_update	(	struct ltm3360b_dev *	dev,
		uint8_t	reg,
		uint8_t	mask,
		uint8_t	val )

Update register bits using mask - modifies only specified bits.

Parameters

dev	- LTM3360B device structure
reg	- Register address
mask	- Bit mask for bits to modify
val	- New value for masked bits

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_reg_write()

int ltm3360b_reg_write	(	struct ltm3360b_dev *	dev,
		uint8_t	reg,
		uint8_t	data )

Write register to LTM3360B device.

Parameters

dev	- LTM3360B device structure
reg	- Register address
data	- Data to write

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_remove()

int ltm3360b_remove

(

struct ltm3360b_dev *

dev

)

Remove LTM3360B device instance.

Parameters

dev	- LTM3360B device structure

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_set_imon_threshold()

int ltm3360b_set_imon_threshold	(	struct ltm3360b_dev *	dev,
		enum ltm3360b_imon_threshold	threshold )

Set IMON threshold for overcurrent detection.

Parameters

dev	- LTM3360B device structure
threshold	- IMON threshold setting

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function:

ltm3360b_set_vout_mv()

int ltm3360b_set_vout_mv	(	struct ltm3360b_dev *	dev,
		uint16_t	vout_mv )

Set output voltage.

Parameters

dev	- LTM3360B device structure
vout_mv	- Output voltage in millivolts.

Returns

0 in case of success, negative error code otherwise

Here is the caller graph for this function: