When customer get a parameter documents form OEM, some parameter may have different name with NXP Alternator Regulator Spec. Here is a brief guide to help you understand, who of them are talking about the same thing.
CTM option | Unit | NXP option | 中文解释 | Example | |
1 | Regulation Voltage | V | Vreg | 目标调节电压 | 14.5 |
2 | Regulation Voltage (With "C") | V | none option value | RVS端为低电压时的调节电压 | 12.8 |
3 | Temperature Compensation | mV/°C | TC | 温度补偿(在温度超多热补偿临界点的时候,每上升一度,目标电压值下降的电压) | -7 |
4 | Alternator pole | Pole | Pair of poles | 发电机爪级对数[n(rpm)=60f(Hz)/p(Pole)] | 6 |
5 | PHASE | Single/Dual | Phase number | Phase 输入端的个数(取决于刷架(Brusholder)的设计) | Dual |
6 | LAMP | BULB / LED | Lamp/LED | LAMP端是灯泡还是LED取决于整车 | LED |
7 | Terminal | - | Sense Pad use& RVS/Sense |
与ECU连接的端子 FR: FM pin L: Lamp pin C: RVC/Sense=RVS |
FR / L / C |
8 | Field Monitoring | FR / DF | FM type | 磁场反馈(EXC的波形同向或者反向复制到FM端,输出给ECU用于判断当前励磁电流) FR:反向 DF:同向 |
FR |
9 | FSDF (PreExc) | % | Pre_Exc DC | 预励磁: 在正式发电以前的励磁 电机在转速达到切入转速(cut-in speed)或者在自启动(selfstart)模式达到自启动转速(Nself start)之后开始发电 |
12.5 |
10 | Regulation ramp | Steps | Ramp type | 励磁DC从Min DC到Max DC分成了多少步 CPNG 一步是1.5mV |
160 |
11 | EXC Minimum Duty | % | Min DC | 最小占空比 | 1.5 |
12 | EXC Maximum Duty | % | none option value | 最大占空比 | 100 |
13 | FM Duty Range | % | FM clamp | FM的范围(FM是EXC波形的同向或者反向) | 1.5 ~ 98.5 |
14 | FM Swtching Frequency | HZ | FM freq | FM的频率 | 112.5 |
15 | Cut-in speed | RPM | Nstart | 切入转速 | 1200 |
16 | Self-start of Alternator | RPM | Nselfstart | 自启动转速 | 1920 |
17 | LRC | SEC | Tlrc/cp | 负载响应控制从0%(理想)到100%的时间 | 5 |
18 | LRC Deactivation | RPM | LRC disable | 负载响应截止频率(转速在此之上时,不会出项LRC现象) | 3100 |
19 | WOT(Wide Open Throttle) | 正常行驶中关闭发电 | active | ||
20 | PWT(Power train) | 启动时关闭发电 | active | ||
21 | Aux(Auxiliary load ) | 将Lamp的电压通过一个继电器反馈给ECU | active | ||
22 | Thermal Gradient | 温度补偿下降速度(刷新一个新的温度补偿点的时间) | No gradient,refresh on the fly | ||
23 | Number of poles for IIR filter | IIR(无限数字响应)滤波器的极点数--消除噪音用// 不开放客户选择 | 1 | ||
24 | Spread spectrum | 展频--消除电磁干扰用//不开放给客户选择 | No |