diff --git a/components/esp_hw_support/include/esp_private/esp_ldo.h b/components/esp_hw_support/include/esp_private/esp_ldo.h
index 9cbe9cd4e9..efde4d84aa 100644
--- a/components/esp_hw_support/include/esp_private/esp_ldo.h
+++ b/components/esp_hw_support/include/esp_private/esp_ldo.h
@@ -9,16 +9,12 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include "esp_err.h"
+#include "hal/ldo_types.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#define ESP_LDO_ID_1    0    ///< See datasheet `VFB/VO1`
-#define ESP_LDO_ID_2    1    ///< See datasheet `VFB/VO2`
-#define ESP_LDO_ID_3    2    ///< See datasheet `VFB/VO3`
-#define ESP_LDO_ID_4    3    ///< See datasheet `VFB/VO4`
-
 /**
  * @brief Type of LDO unit handle
  */
diff --git a/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_ldo.c b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_ldo.c
index 47c806bcb3..fe0e693c7d 100644
--- a/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_ldo.c
+++ b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_ldo.c
@@ -15,7 +15,7 @@
 TEST_CASE("LDO unit early / normal allocation", "[LDO]")
 {
     esp_ldo_unit_init_cfg_t init_early_unit_cfg = {
-        .unit_id = ESP_LDO_ID_3,
+        .unit_id = LDO_UNIT_3,
         .cfg = {
             .voltage_mv = 1800,
         },
@@ -27,7 +27,7 @@ TEST_CASE("LDO unit early / normal allocation", "[LDO]")
 
     esp_ldo_unit_handle_t unit = NULL;
     esp_ldo_unit_init_cfg_t init_unit_cfg = {
-        .unit_id = ESP_LDO_ID_4,
+        .unit_id = LDO_UNIT_4,
         .cfg = {
             .voltage_mv = 2500,
         },
@@ -48,7 +48,7 @@ TEST_CASE("LDO unit early / normal allocation", "[LDO]")
 TEST_CASE("LDO unit output", "[LDO][mannual][ignore]")
 {
     esp_ldo_unit_init_cfg_t early_unit_cfg = {
-        .unit_id = ESP_LDO_ID_2,
+        .unit_id = LDO_UNIT_2,
         .cfg = {
             .voltage_mv = 2500,
         },
@@ -57,12 +57,12 @@ TEST_CASE("LDO unit output", "[LDO][mannual][ignore]")
     esp_ldo_unit_handle_t early_unit2 = esp_ldo_init_unit_early(&early_unit_cfg);
     assert(early_unit2);
 
-    early_unit_cfg.unit_id = ESP_LDO_ID_3;
+    early_unit_cfg.unit_id = LDO_UNIT_3;
     early_unit_cfg.cfg.voltage_mv = 3300;
     esp_ldo_unit_handle_t early_unit3 = esp_ldo_init_unit_early(&early_unit_cfg);
     assert(early_unit3);
 
-    early_unit_cfg.unit_id = ESP_LDO_ID_4;
+    early_unit_cfg.unit_id = LDO_UNIT_4;
     early_unit_cfg.cfg.voltage_mv = 1100;
     esp_ldo_unit_handle_t early_unit4 = esp_ldo_init_unit_early(&early_unit_cfg);
     assert(early_unit4);
diff --git a/components/hal/include/hal/ldo_types.h b/components/hal/include/hal/ldo_types.h
new file mode 100644
index 0000000000..f4b8c47d69
--- /dev/null
+++ b/components/hal/include/hal/ldo_types.h
@@ -0,0 +1,28 @@
+/*
+ * SPDX-FileCopyrightText: 2020-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief LDO Unit
+ *
+ * @note See datasheet to know LDO, alias includes but not least to `VFB/VOn`
+ */
+typedef enum {
+    LDO_UNIT_1,    ///< LDO 1
+    LDO_UNIT_2,    ///< LDO 2
+    LDO_UNIT_3,    ///< LDO 3
+    LDO_UNIT_4,    ///< LDO 4
+} ldo_unit_t;
+
+#ifdef __cplusplus
+}
+#endif