参数资料
型号: TLE8242-2
厂商: INFINEON TECHNOLOGIES AG
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP64
封装: GREEN, PLASTIC, LQFP-144
文件页数: 77/78页
文件大小: 1589K
代理商: TLE8242-2
TLE8242-2
Overview
Data Sheet
8
Rev. 1.0, 2010-02-09
Figure 3
Control Loop - Simplified Diagram
Table 1 describes the effect on the integrator of the PI controller of several events.
Table 1
Control Loop Integrator Control
Condition
Action to Integrator
Reset Active
Cleared
V5D undervoltage
Cleared
V5Ax undervoltage
Cleared
ENABLE pin low (SPI message #10 bit EN = 0)
Cleared
ENABLE pin low (SPI message #10 bit EN = 1)
Remains Operational
VBAT overvoltage
Held at current value
Short to BAT
Cleared
Phase_Sync Transition
Remains Operational
Integrator value for first PWM cycle = value from end of
last complete PWM cycle.
Average Current set to 0
Cleared
Control Mode set to Direct PWM
Cleared
Main Period Set (N, M) Changed
Remains Operational
KP, KI settings Changed
Remains Operational
A/D
Average
Autozero
Value
“ON”
-
CURRENT SET
POINT
DITHER STEP SIZE
Dither
Generation
+
KP
Σ
KI
PWM
Block
+
DITHER STEPS
OUTx
POSx
NEGx
Amp
+
-
Auto Zero
Autozero
Value
“OFF”
DUTY
CYCLE
AVG
CURRENT READ
Italics = CAN BE MONITORED VIA SPI
Underlined = CAN BE PROGRAMMED VIA SPI
Current
Readout
MIN
CURRENT READ
MAX
CURRENT READ
CL K
DIRECT PWM
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