diff --git a/docs/en/api-guides/low-power-mode/low-power-mode-soc.rst b/docs/en/api-guides/low-power-mode/low-power-mode-soc.rst
index 460a5c7bf5..f4eec662d7 100644
--- a/docs/en/api-guides/low-power-mode/low-power-mode-soc.rst
+++ b/docs/en/api-guides/low-power-mode/low-power-mode-soc.rst
@@ -285,6 +285,28 @@ This section introduces the recommended configuration and configuration steps fo
 
           Due to the shared power pins between flash and PSRAM, cutting power to PSRAM would result in data loss. Therefore, to ensure light sleep does not disrupt program execution, enabling this option requires that the system does not utilize PSRAM.
 
+.. only:: esp32c2
+
+    - To reduce the on-chip RAM usage of the Power Management module (:ref:CONFIG_PM_SLEEP_FUNC_IN_IRAM), the options in the table below are used to control whether individual components of the Power Management module enable or disable on-chip RAM optimization when :ref:CONFIG_PM_SLEEP_FUNC_IN_IRAM is disabled.
+
+    .. list-table::
+      :header-rows: 1
+      :widths: 30 60
+
+      * - Configuration Name
+        - Configuration Description
+
+      * - :ref:`CONFIG_PM_SLP_IRAM_OPT`
+        - When this option is enabled, the software flow for entering and exiting light/deep sleep is linked to on-chip RAM, which shortens the sleep transition time but consumes more on-chip RAM resources. When this option is disabled, the light/deep sleep software flow is compiled into flash memory instead, resulting in longer sleep transition time but saving on-chip RAM resources.
+
+      * - :ref:`CONFIG_PM_RTOS_IDLE_OPT`
+        - In auto light sleep mode, when this option is enabled, the FreeRTOS system tick, IDLE task hook functions, and the FreeRTOS tickless idle software context are linked to on-chip RAM. Otherwise, they will be linked to flash memory.
+
+      * - :ref:`CONFIG_ESP_PERIPH_CTRL_FUNC_IN_IRAM`
+        - When this option is enabled, the software implementation related to peripheral clock and reset control will be linked to on-chip RAM.  Otherwise, it will be linked to flash memory.
+
+      * - :ref:`CONFIG_ESP_REGI2C_CTRL_FUNC_IN_IRAM`
+        - When this option is enabled, the software implementation related to Analog I2C read/write access will be linked to on-chip RAM. Otherwise, it will be linked to flash memory.
 
 Configuration Steps:
 
diff --git a/docs/zh_CN/api-guides/low-power-mode/low-power-mode-soc.rst b/docs/zh_CN/api-guides/low-power-mode/low-power-mode-soc.rst
index 24c36f23d4..8463c03272 100644
--- a/docs/zh_CN/api-guides/low-power-mode/low-power-mode-soc.rst
+++ b/docs/zh_CN/api-guides/low-power-mode/low-power-mode-soc.rst
@@ -285,6 +285,28 @@ Light-sleep 模式配置
 
           由于 flash 和 PSRAM 共用供电管脚，PSRAM 关闭供电将会导致数据丢失，因此，为保证 light sleep 不破坏程序运行状态，启用该选项的前提是系统没有使用 PSRAM。
 
+.. only:: esp32c2
+
+    - 减少 Power Managemet 模块片内 RAM 内存资源使用量 (:ref:`CONFIG_PM_SLEEP_FUNC_IN_IRAM`)，当 :ref:`CONFIG_PM_SLEEP_FUNC_IN_IRAM` 禁止时，下面表格中选项分别用于控制 Power Management 模块各部分组件启用或禁止片内 RAM 优化
+
+    .. list-table::
+      :header-rows: 1
+      :widths: 60 30
+
+      * - 配置项
+        - 描述
+
+      * - :ref:`CONFIG_PM_SLP_IRAM_OPT`
+        - 使能该选项后执行 light / deep sleep 软件流程上下文被链接到片内 RAM 空间，这意味着系统进出睡眠时间变短，消耗更多的片内 RAM 资源；禁止该选项，light / deep sleep 软件流程上下文将被编译到 Flash 空间，这意味着系统进出睡眠时间变长，但会节约片内 RAM 资源。
+
+      * - :ref:`CONFIG_PM_RTOS_IDLE_OPT`
+        - auto light sleep 模式下，使能该选项后，FreeRTOS 系统滴答，IDLE 任务回调函数及 FreeRTOS Tickless idle 软件上下文被链接到片内 RAM 空间，反之将被链接到 Flash 空间。
+
+      * - :ref:`CONFIG_ESP_PERIPH_CTRL_FUNC_IN_IRAM`
+        - 使能该选项后外设时钟及复位控制相关的软件实现将被链接到片内 RAM 空间，反之将被链接到 Flash 空间。
+
+      * - :ref:`CONFIG_ESP_REGI2C_CTRL_FUNC_IN_IRAM`
+        - 使能该选项后 Analog I2C 读写访问相关的软件实现将被链接到片内 RAM 空间，反之被链接到 Flash 空间。
 
 配置方法：