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Update bpf doc , sch

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lewisxhe 2025-08-05 09:07:43 +08:00
commit 902caa2a34
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docs/en/t_beam_bpf/t_beam_bpf_hw.md
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@ -100,14 +100,14 @@
| PMU (**AXP2101**) SCL | Share with I2C bus | ❌ | | PMU (**AXP2101**) SCL | Share with I2C bus | ❌ |
> \[!IMPORTANT] > \[!IMPORTANT]
> >
> LDO EN pin is control pin inside the module: > LDO EN pin is control pin inside the module:
> >
> 1. High level turns on the Radio > 1. High level turns on the Radio
> 2. Low level turns off the Radio > 2. Low level turns off the Radio
> >
> LoRa Ctrl pin is internal LNA power control of the module: > LoRa Ctrl pin is internal LNA power control of the module:
> >
> 1. When receiving data, set it to high level and turn on the LNA power; > 1. When receiving data, set it to high level and turn on the LNA power;
> 2. When transmitting data and sleeping, set it to low level and turn off the LNA power. > 2. When transmitting data and sleeping, set it to low level and turn off the LNA power.
> >
@ -127,6 +127,11 @@
| ⚡Charge Current | 0-1024mA (\(Programmable\)) | | ⚡Charge Current | 0-1024mA (\(Programmable\)) |
| 🔋Battery Voltage | 3.7V | | 🔋Battery Voltage | 3.7V |
> \[!IMPORTANT]
> This board has an integrated BMS. It won't work the first time connect a battery; must connect it to a USB-C port for activation.
> If disconnect and then reconnect the battery, Need to repeat the above steps for proper activation.
>
### ⚡ PowerManage Channel ### ⚡ PowerManage Channel
| Channel | Peripherals | | Channel | Peripherals |
@ -193,3 +198,7 @@
### RF Block Diagram ### RF Block Diagram
![RF Block Diagram](./images/BPF.jpg) ![RF Block Diagram](./images/BPF.jpg)
### Resource
* [Schematic](../../../schematic/LilyGo_TBeam_BPF.pdf)

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schematic/LilyGo_TBeam_BPF.pdf Normal file
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