diff --git a/docs/en/core/fire.md b/docs/en/core/fire.md
index 59efa6fc..22b43dd6 100644
--- a/docs/en/core/fire.md
+++ b/docs/en/core/fire.md
@@ -50,11 +50,14 @@ M5Go CHG. Base is composed of POGO pin. M5Go Base is composed of PORT B, PORT C,
| Speaker | | | | Speaker Pin |
-**GROVE A**
+**GROVE A & IP5306**
+
+*Power Management IC (IP5306) is a custom I2C version, and the IIC address of IP5306 is 0x75. Click [here](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf) for view register manual.*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**9-axis IMU sensor(MPU9250)**
diff --git a/docs/en/core/gray.md b/docs/en/core/gray.md
index 25ec6177..f06049da 100644
--- a/docs/en/core/gray.md
+++ b/docs/en/core/gray.md
@@ -50,11 +50,14 @@ This is a [Bottom board](en/base/core_bottom) on the back of M5Core. It's design
| Speaker | | | | Speaker Pin |
-**GROVE A**
+**GROVE A & IP5306**
+
+*Power Management IC (IP5306) is a custom I2C version, and the IIC address of IP5306 is 0x75. Click [here](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf) for view register manual.*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**9-axis IMU sensor(MPU9250)**
diff --git a/docs/en/core/m5go.md b/docs/en/core/m5go.md
index ebe081d8..13b9db02 100644
--- a/docs/en/core/m5go.md
+++ b/docs/en/core/m5go.md
@@ -47,11 +47,14 @@ We also supply some courses for teaching IOT programming. If you are interesting
| Speaker | | | | Speaker Pin |
-**GROVE A**
+**GROVE A & IP5306**
+
+*Power Management IC (IP5306) is a custom I2C version, and the IIC address of IP5306 is 0x75. Click [here](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf) for view register manual.*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**9-axis IMU sensor(MPU9250)**
diff --git a/docs/en/core/m5go_lite.md b/docs/en/core/m5go_lite.md
index 8b3b0f71..8e2babbe 100644
--- a/docs/en/core/m5go_lite.md
+++ b/docs/en/core/m5go_lite.md
@@ -50,11 +50,14 @@ We also supply some courses for teaching IOT programming. If you are interesting
| Speaker | | | | Speaker Pin |
-**GROVE A**
+**GROVE A & IP5306**
+
+*Power Management IC (IP5306) is a custom I2C version, and the IIC address of IP5306 is 0x75. Click [here](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf) for view register manual.*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**9-axis IMU sensor(MPU9250)**
diff --git a/docs/ja/core/basic.md b/docs/ja/core/basic.md
index 72ebd7cd..f3d963fe 100644
--- a/docs/ja/core/basic.md
+++ b/docs/ja/core/basic.md
@@ -49,7 +49,7 @@
| Speaker | | | | Speaker Pin |
-**GROVE 接口 A & IP5306**
+**GROVEポートA & IP5306**
*電源管理IC (IP5306) はカスタム品です。IP5306のI2Cアドレスは**0x75**です。[IP5306データシート](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)*
diff --git a/docs/ja/core/fire.md b/docs/ja/core/fire.md
index c8788370..4089d435 100644
--- a/docs/ja/core/fire.md
+++ b/docs/ja/core/fire.md
@@ -52,11 +52,14 @@
| Speaker | | | | Speaker Pin |
-**GROVE A**
+**GROVEポートA & IP5306**
+
+*電源管理IC (IP5306) はカスタム品です。IP5306のI2Cアドレスは**0x75**です。[IP5306データシート](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)*
- | ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
- | GROVE A | SCL | SDA | 5V | GND |
+ | ESP32 Chip | GPIO22 | GPIO21 |
+ | GROVE A | SCL | SDA |
+ | IP5306 | SCL | SDA | 5V | GND |
**9自由度IMUセンサー(MPU9250)**
diff --git a/docs/ja/core/gray.md b/docs/ja/core/gray.md
index c9fe0b76..09398fc8 100644
--- a/docs/ja/core/gray.md
+++ b/docs/ja/core/gray.md
@@ -53,11 +53,14 @@
| Speaker | | | | Speaker Pin |
-**GROVE A**
+**GROVE 接口 A & IP5306**
+
+*電源管理IC (IP5306) はカスタム品です。IP5306のI2Cアドレスは**0x75**です。[IP5306データシート](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)*
- | ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
- | GROVE A | SCL | SDA | 5V | GND |
+ | ESP32 Chip | GPIO22 | GPIO21 |
+ | GROVE A | SCL | SDA |
+ | IP5306 | SCL | SDA | 5V | GND |
**9自由度IMUセンサー(MPU9250)**
diff --git a/docs/ja/core/m5go.md b/docs/ja/core/m5go.md
index 754d09dc..5dca8385 100644
--- a/docs/ja/core/m5go.md
+++ b/docs/ja/core/m5go.md
@@ -47,11 +47,14 @@
| スピーカー | | | | スピーカーピン |
-**GROVEポートA**
+**GROVEポートA & IP5306**
+
+*電源管理IC (IP5306) はカスタム品です。IP5306のI2Cアドレスは**0x75**です。[IP5306データシート](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)*
- | ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
- | GROVE A | SCL | SDA | 5V | GND |
+ | ESP32 Chip | GPIO22 | GPIO21 |
+ | GROVE A | SCL | SDA |
+ | IP5306 | SCL | SDA | 5V | GND |
**9DoFセンサーMPU9250**
diff --git a/docs/ja/core/m5go_lite.md b/docs/ja/core/m5go_lite.md
index 0fe3d239..fb6eeca9 100644
--- a/docs/ja/core/m5go_lite.md
+++ b/docs/ja/core/m5go_lite.md
@@ -45,11 +45,14 @@ M5GO Liteは[UIFlow](http://flow.m5stack.com)やArduino IDEを使用してプロ
| スピーカー | | | | スピーカーピン |
-**GROVEポートA**
+**GROVEポートA & IP5306**
+
+*電源管理IC (IP5306) はカスタム品です。IP5306のI2Cアドレスは**0x75**です。[IP5306データシート](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)*
- | ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
- | GROVE A | SCL | SDA | 5V | GND |
+ | ESP32 Chip | GPIO22 | GPIO21 |
+ | GROVE A | SCL | SDA |
+ | IP5306 | SCL | SDA | 5V | GND |
**9DoFセンサーMPU9250**
diff --git a/docs/zh_CN/core/fire.md b/docs/zh_CN/core/fire.md
index e2c54097..280dc192 100644
--- a/docs/zh_CN/core/fire.md
+++ b/docs/zh_CN/core/fire.md
@@ -47,11 +47,14 @@
| 喇叭 | | | | 喇叭引脚 |
-**GROVE 接口 A**
+**GROVE 接口 A & IP5306**
+
+*电源管理芯片 (IP5306) 是定制 I2C 版本,它的 I2C 地址是 0x75。点击[这里](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)查看 IP5306 的寄存器手册。*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**九轴姿态传感器 MPU9250**
diff --git a/docs/zh_CN/core/gray.md b/docs/zh_CN/core/gray.md
index f094d30f..9fc73e62 100644
--- a/docs/zh_CN/core/gray.md
+++ b/docs/zh_CN/core/gray.md
@@ -50,11 +50,14 @@
| 喇叭 | | | | 喇叭引脚 |
-**GROVE 接口 A**
+**GROVE 接口 A & IP5306**
+
+*电源管理芯片 (IP5306) 是定制 I2C 版本,它的 I2C 地址是 0x75。点击[这里](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)查看 IP5306 的寄存器手册。*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**九轴姿态传感器 MPU9250**
diff --git a/docs/zh_CN/core/m5go.md b/docs/zh_CN/core/m5go.md
index 5af7d487..6670e0d5 100644
--- a/docs/zh_CN/core/m5go.md
+++ b/docs/zh_CN/core/m5go.md
@@ -48,11 +48,14 @@
| 喇叭 | | | | 喇叭引脚 |
-**GROVE 接口 A**
+**GROVE 接口 A & IP5306**
+
+*电源管理芯片 (IP5306) 是定制 I2C 版本,它的 I2C 地址是 0x75。点击[这里](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)查看 IP5306 的寄存器手册。*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**九轴姿态传感器 MPU9250**
diff --git a/docs/zh_CN/core/m5go_lite.md b/docs/zh_CN/core/m5go_lite.md
index fd9fca65..699e859e 100644
--- a/docs/zh_CN/core/m5go_lite.md
+++ b/docs/zh_CN/core/m5go_lite.md
@@ -47,11 +47,14 @@
| 喇叭 | | | | 喇叭引脚 |
-**GROVE接口A**
+**GROVE 接口 A & IP5306**
+
+*电源管理芯片 (IP5306) 是定制 I2C 版本,它的 I2C 地址是 0x75。点击[这里](https://github.com/m5stack/M5-Schematic/blob/master/Core/IIC_IP5306_REG_V1.4.pdf)查看 IP5306 的寄存器手册。*
| ESP32 Chip | GPIO22 | GPIO21 | 5V | GND |
| GROVE A | SCL | SDA | 5V | GND |
+ | IP5306 | SCL | SDA | 5V | GND |
**九轴姿态传感器MPU9250**