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17V,靠 Q1 缓启动消除热插拔振铃)", 0, 9 ], [ 150, 360, "【B】辅助电源 12V -> 3.3V / 500mA (ESP32 供电,不依赖任何一路输出)", 0, 14 ], [ 150, 380, "R2/R3 分压待按 LMR51430 datasheet 的 Vref 复核;EN 直接接 +12V,需确认耐压", 0, 9 ], [ 150, 505, "注:ESP32 必须由本路独立供电", 0, 8 ], [ 150, 760, "【C】12V 母线泄放(防 USB 反灌抬高母线)", 0, 14 ], [ 150, 780, "阈值 = 2.495V x (R4+R5)/R5 = 2.495 x 5.32 = 13.27V", 0, 9 ], [ 150, 795, "TL431 导通时阴极约 2.0~2.2V -> Q3(P-MOS) Vgs = -9.8V 全导通;截止时 Vgs=0", 0, 9 ], [ 150, 810, "R9 10R/5W 为突发额定:13.3V 下 1.33A/17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 60, 800, "【A】输入保护 / 缓启动 / 输入储能", 0, 14 ], [ 60, 789, "12V/10A -> F1 10A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 40, 730, "J1: 1 = GND(-) 2 = +12V(+)", 0, 9 ], [ 60, 548, "【B】辅助电源 12V -> 3.3V / 500mA(ESP32 独立供电,不依赖任何一路输出)", 0, 14 ], [ 60, 537, "R2/R3 分压与 EN 接法待按 LMR51430 datasheet 的 Vref / EN 耐压复核", 0, 9 ], [ 60, 352, "【C】12V 母线泄放(防 USB 反灌抬高母线)", 0, 14 ], [ 60, 340, "阈值 = 2.495V x (R4+R5)/R5 = 2.495 x 5.32 = 13.27V", 0, 9 ], [ 60, 330, "TL431 导通时阴极 2.0~2.2V -> Q3(P-MOS) Vgs = -9.8V 全导通;截止时 Vgs = 0", 0, 9 ], [ 60, 319, "R9 10R/5W 为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 900, 800, "【D】输入侧电流 / 电压监测(整板功率预算)", 0, 12 ], [ 900, 295, "Rs6 5mΩ: 满板约 8A -> 40mV,INA226 满量程 81.92mV / 分辨率 0.5mA", 0, 9 ], [ 900, 282, "U13 地址 A1=GND、A0=SCL -> 0x43(地址表见 §8.2,不是顺排)", 0, 9 ], [ 900, 269, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与五路分叉点之间,Kelvin 四线", 0, 9 ], [ 60, 800, "【A】输入保护 / 缓启动 / 输入储能", 0, 14 ], [ 60, 789, "12V/10A -> F1 10A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 40, 730, "J1: 1 = GND(-) 2 = +12V(+)", 0, 9 ], [ 60, 548, "【B】辅助电源 12V -> 3.3V / 500mA(ESP32 独立供电,不依赖任何一路输出)", 0, 14 ], [ 60, 537, "已复核 SLUSEF4A: Vref=0.6V -> R2/R3=100k/22.1k -> 3.315V; EN 绝对最大 = VIN+0.3V, 可直接接 VIN; Y 后缀 = 1.1MHz", 0, 9 ], [ 60, 352, "【C】12V 母线泄放(防 USB 反灌抬高母线)", 0, 14 ], [ 60, 340, "阈值 = 2.495V x (R4+R5)/R5 = 2.495 x 5.32 = 13.27V", 0, 9 ], [ 60, 330, "TL431 导通时阴极 2.0~2.2V -> Q3(P-MOS) Vgs = -9.8V 全导通;截止时 Vgs = 0", 0, 9 ], [ 60, 319, "R9 10R/5W 为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 850, 800, "【D】输入侧电流 / 电压监测", 0, 12 ], [ 850, 300, "Rs6 5mΩ: 满板约 8A -> 40mV(满量程 81.92mV)", 0, 9 ], [ 850, 287, "U13: A1=GND / A0=SCL -> 0x43(地址表见 §8.2)", 0, 9 ], [ 850, 274, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与", 0, 9 ], [ 850, 261, "五路分叉点之间,Kelvin 四线焊盘", 0, 9 ], [ 60, 800, "【A】输入保护 / 缓启动 / 输入储能", 0, 14 ], [ 60, 789, "12V/10A -> F1 10A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 40, 730, "J1: 1 = GND(-) 2 = +12V(+)", 0, 9 ], [ 60, 548, "【B】辅助电源 12V -> 3.3V / 500mA(ESP32 独立供电,不依赖任何一路输出)", 0, 14 ], [ 60, 537, "已复核 SLUSEF4A: Vref=0.6V -> R2/R3=100k/22.1k -> 3.315V; EN 绝对最大 = VIN+0.3V, 可直接接 VIN; Y 后缀 = 1.1MHz", 0, 9 ], [ 60, 352, "【C】12V 母线泄放(防 USB 反灌抬高母线)", 0, 14 ], [ 60, 340, "阈值 = 2.495V x (R4+R5)/R5 = 2.495 x 5.32 = 13.27V", 0, 9 ], [ 60, 330, "TL431 导通时阴极 2.0~2.2V -> Q3(P-MOS) Vgs = -9.8V 全导通;截止时 Vgs = 0", 0, 9 ], [ 60, 319, "R9 10R/5W 为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 850, 800, "【D】输入侧电流 / 电压监测", 0, 12 ], [ 850, 300, "Rs6 5mΩ: 满板约 8A -> 40mV(满量程 81.92mV)", 0, 9 ], [ 850, 287, "U13: A1=GND / A0=SCL -> 0x43(地址表见 §8.2)", 0, 9 ], [ 850, 274, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与", 0, 9 ], [ 850, 261, "五路分叉点之间,Kelvin 四线焊盘", 0, 9 ], [ 60, 800, "【A】输入保护 / 缓启动 / 输入储能", 0, 14 ], [ 60, 789, "12V/10A -> F1 10A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 40, 730, "J1: 1 = GND(-) 2 = +12V(+)", 0, 9 ], [ 60, 548, "【B】辅助电源 12V -> 3.3V / 500mA(ESP32 独立供电,不依赖任何一路输出)", 0, 14 ], [ 60, 537, "已复核 SLUSEF4A: Vref=0.6V -> R2/R3=100k/22.1k -> 3.315V; EN 绝对最大 = VIN+0.3V, 可直接接 VIN; Y 后缀 = 1.1MHz", 0, 9 ], [ 60, 352, "【C】12V 母线泄放(防 USB 反灌抬高母线)", 0, 14 ], [ 60, 340, "阈值 = 2.495V x (R4+R5)/R5 = 2.495 x 5.32 = 13.27V", 0, 9 ], [ 60, 330, "TL431 导通时阴极 2.0~2.2V -> Q3(P-MOS) Vgs = -9.8V 全导通;截止时 Vgs = 0", 0, 9 ], [ 60, 319, "R9 10R/5W 为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 850, 800, "【D】输入侧电流 / 电压监测", 0, 12 ], [ 850, 300, "Rs6 5mΩ: 满板约 8A -> 40mV(满量程 81.92mV)", 0, 9 ], [ 850, 287, "U13: A1=GND / A0=SCL -> 0x43(地址表见 §8.2)", 0, 9 ], [ 850, 274, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与", 0, 9 ], [ 850, 261, "五路分叉点之间,Kelvin 四线焊盘", 0, 9 ], [ 60, 789, "12V/10A -> F1 12A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 60, 319, "泄放为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 700, 245, "Rs6 5mΩ: 满板约 8A -> 40mV,INA226 满量程 81.92mV / 分辨率 0.5mA", 0, 9 ], [ 700, 232, "U13 地址 A1=GND、A0=SCL -> 0x43(地址表见 §8.2,不是顺排)", 0, 9 ], [ 700, 219, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与五路分叉点之间,Kelvin 四线焊盘", 0, 9 ], [ 700, 206, "R9A~R9E: 5 × 2Ω 2512 串联 = 10Ω/10W,高 0.8mm(原立式水泥电阻站起来超高度预算)", 0, 9 ], [ 60, 789, "12V/10A -> F1 12A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 60, 319, "泄放为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 700, 245, "Rs6 5mΩ: 满板约 8A -> 40mV,INA226 满量程 81.92mV / 分辨率 0.5mA", 0, 9 ], [ 700, 232, "U13 地址 A1=GND、A0=SCL -> 0x43(地址表见 §8.2,不是顺排)", 0, 9 ], [ 700, 219, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与五路分叉点之间,Kelvin 四线焊盘", 0, 9 ], [ 700, 206, "R9A~R9E: 5 × 2Ω 2512 串联 = 10Ω/10W,高 0.8mm(原立式水泥电阻站起来超高度预算)", 0, 9 ], [ 60, 789, "12V/10A -> F1 12A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 60, 319, "泄放为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 700, 245, "Rs6 5mΩ: 满板约 8A -> 40mV,INA226 满量程 81.92mV / 分辨率 0.5mA", 0, 9 ], [ 700, 232, "U13 地址 A1=GND、A0=SCL -> 0x43(地址表见 §8.2,不是顺排)", 0, 9 ], [ 700, 219, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与五路分叉点之间,Kelvin 四线焊盘", 0, 9 ], [ 700, 206, "R9A~R9E: 5 × 2Ω 2512 串联 = 10Ω/10W,高 0.8mm(原立式水泥电阻站起来超高度预算)", 0, 9 ], [ 60, 789, "12V/10A -> F1 12A -> Q1 AO4407 反接保护,栅极 RC 缓启动 tau = R1*C1 = 10ms", 0, 9 ], [ 60, 319, "泄放为突发额定:13.3V 下 1.33A / 17.7W,持续故障由固件关 VBUS 兜底", 0, 9 ], [ 700, 245, "Rs6 5mΩ: 满板约 8A -> 40mV,INA226 满量程 81.92mV / 分辨率 0.5mA", 0, 9 ], [ 700, 232, "U13 地址 A1=GND、A0=SCL -> 0x43(地址表见 §8.2,不是顺排)", 0, 9 ], [ 700, 219, "体电容在 Rs6 上游;PCB 上 Rs6 放在体电容与五路分叉点之间,Kelvin 四线焊盘", 0, 9 ], [ 700, 206, "R9A~R9E: 5 × 2Ω 2512 串联 = 10Ω/10W,高 0.8mm(原立式水泥电阻站起来超高度预算)", 0, 9 ] ], "nRect": 0, "nPoly": 0 }