1 Screen
Screen Configuration
PM01-EDU is equipped with a touch screen that supports human-machine interaction and status display. The technical parameters of the screen are as follows:
1.0.1 Absolute Maximum Ratings
| Parameter Name | Symbol | Value Range | Unit | Notes |
|---|---|---|---|---|
| Logic Power Supply Voltage | VDD | 0.3~4.8 | V | Exceeding may damage the IC |
| Input Voltage | Vin | VDD+0.3 | V | Relative to VSS=0V |
| Operating Temperature | Topr | -20~70 | ℃ | Normal operating ambient temperature |
| Storage Temperature | Tstg | -30~80 | ℃ | Storage at -30℃ for no more than 48 hours and at 80℃ for no more than 120 hours |
| Operating Humidity | RH | ≤75% (Ta≤70℃) | - | When Ta>70℃, the absolute humidity must be lower than 75% RH at 70℃ |
1.0.2 Electrical Characteristics (Test Conditions: Ta=25°C)
1.0.3 Logic and Drive Circuit
| Parameter Name | Symbol | Min | Typical | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Operating Voltage | VDD | 2.5 | 2.8 | 4.8 | V | - |
| Operating Current | IDD | - | - | 50 | mA | VDD=2.8V |
| High-Level Input Voltage | VIH | 0.8VDD | - | VDD | V | - |
| Low-Level Input Voltage | VIL | 0 | - | 0.2VDD | V | - |
| Input Leakage Current | IIL | -1 | - | 1 | μA | VIN=VDD or VSS |
1.0.4 Backlight (LED) Characteristics
| Parameter Name | Symbol | Min | Typical | Max | Unit | Note |
|---|---|---|---|---|---|---|
| Forward Current | IF | - | 80 | 88 | mA | 4 LEDs in parallel |
| Forward Voltage | VF | - | 3.2 | - | V | Operating voltage reference |
| LED Count | - | - | 4 | - | pcs | Parallel connection |
2 Lighting System
Smart LED Lighting
Uses smart externally controlled LED light sources integrating control circuits and light-emitting circuits:
- Each component is a pixel point, supporting independent control
- Built-in smart digital interface and signal shaping amplification drive circuit
- High-accuracy internal oscillator, ensuring high color consistency
Applications: Status indication, interactive feedback, visual effects
2.1 Maximum Ratings
| Parameters | Symbol | Range | Unit |
|---|---|---|---|
| Power Supply Voltage | $V_{DD}$ | +3.7~+5.3 | V |
| Logic Input Voltage | $V_I$ | -0.3V~$V_{DD}$+0.7 | V |
2.2 Electrical Parameters
| Parameters | Symbol | Min | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Input Current | $I_I$ | —— | ±1 | μA | $V_I=V_{DD}/V_{SS}$ |
| High-Level Input | $V_{IH}$ | 0.7$V_{DD}$ | $V_{DD}$+0.7 | V | $D_{IN}$, SET |
| Low-Level Input | $V_{IL}$ | -0.3V | 0.7V | V | $D_{IN}$, SET |
2.3 Switching Characteristics
| Parameters | Symbol | Max | Unit | Test Conditions |
|---|---|---|---|---|
| Propagation Delay Time | $t_{PLZ}$ | 300 | ns | CL=15pF, DIN→DOUT, RL=10KΩ |
| Fall Time | $t_{PHZ}$ | 120 | μs | CL=300pF, OUTR/OUTG/OUTB |
| Input Capacitance | $C_I$ | 15 | pF | —— |
2.4 LED Characteristic Parameters
| Parameters | Symbol | Color | Static Current <0.6mA - Min | Static Current <0.6mA - Typical | Static Current <0.6mA - Max | Unit | Operating Current |
|---|---|---|---|---|---|---|---|
| Luminous Intensity | $I_V$ | Red | 260 | 320 | 380 | mcd | 12.5mA |
| Green | 850 | 1000 | 1200 | mcd | 12.5mA | ||
| Blue | 90 | 110 | 130 | mcd | 12.5mA | ||
| Wavelength | $\lambda_d$ | Red | 620 | 623 | 625 | nm | 12.5mA |
| Green | 520 | 523 | 525 | nm | 12.5mA | ||
| Blue | 449 | 451 | 454 | nm | 12.5mA |
3 Battery System
Battery Safety Information
- Operating Voltage Range: 33.8V ~ 54.6V
- Nominal Capacity: 10Ah, battery life approx.2 hours
- Charging time: approx.2 hours to full charge
- Warning: Please use the original charger. Do not overcharge or overdischarge
3.1 Core Parameters
| No. | Item | Technical Parameters |
|---|---|---|
| 1 | Battery Type | Cylindrical Lithium-ion Battery (Ternary Lithium System) |
| 2 | Nominal Capacity | 10Ah |
| 3 | Minimum Capacity | 9.5Ah |
| 4 | Battery Pack Configuration | 13S2P (13 Series 2 Parallel) |
| 5 | Nominal Voltage | 46.8V |
| 6 | Operating Voltage Range | 33.8V ~ 54.6V (@≥0°C) |
| 7 | SOC Operating Range | 0% ~ 100% |
| 8 | Max Continuous Discharge Current | 20A |
| 9 | Short-term Peak Discharge Current | 300A |
| 10 | Max Continuous Charging Current | 5A |
| 11 | Max Charging Voltage Limit | 54.6V |
| 12 | PACK Design Cycle Life | 600 @75%SOH |
| 13 | PACK Shipping SOC | 30%±5% |
| 14 | Thermal Management | Natural Cooling |
| 15 | IP Protection Rating | NA |
| 16 | Total System Mass | ≈2.95kg |
| 17 | PACK Housing Material | Aluminum Alloy |
| 18 | Operating Environment Temperature | Charging: 0°C ~ +45°C Discharging: -20°C ~ +60°C |
| 19 | Storage Environment Temperature | 1 year: -20°C ~ 25°C ≤70% 3 months: -20°C ~ 45°C ≤70% |
| 20 | Operating Environment Humidity | ≤65% |
| 21 | Operating Altitude Requirement | ≤4000m |
3.2 Storage Requirements
- Batteries should be stored in a partially charged state
- Storage temperature: For storage time <3 months, -20°C~45°C; for storage time ≥3 months, -20°C~25°C;
- Storage humidity: Humidity 2%RH~90%RH, recommended to store within 85%RH range;
- Storage environment: The product should be stored in a clean, dry, well-ventilated, cool environment, avoiding direct sunlight, high temperature, rain, corrosive gases, severe vibration, mechanical shock, and heavy pressure; away from fire and heat sources; altitude less than 1500m, atmospheric pressure 86kPa~106kPa.
- Storage SOC and Maintenance: Store at 20%~50% SOC, and monitor SOC status every 2 months. If below 20%, recharge to adjust SOC to 40%~50%. Fully charge before use.
3.3 Transportation Requirements
Batteries should be transported in a partially charged state, generally at 20%~50% SOC. During transportation, handle with care, avoid collision, impact, severe vibration, shock, sun exposure, and rain. Ensure no short circuits occur. It is strictly prohibited to transport batteries with acids, alkalis, or other corrosive materials. During loading and unloading, handle gently, strictly prevent dropping, rolling, and heavy pressure.