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ZHCSOS0C august 2021 – june 2023 MCF8316A

PRODUCTION DATA

封裝選項

機械數據 (封裝 | 引腳)

RGF|40
- MPQF173F

散熱焊盤機械數據 (封裝 | 引腳)

RGF|40
- QFND672

訂購信息

7.3.22 Protections

The MCF8316A is protected from a host of fault events including motor lock, VM undervoltage, AVDD undervoltage, buck undervoltage, charge pump undervoltage, overtemperature and overcurrent events. Table 7-5 summarizes the response, recovery modes, power stage status, reporting mechanism for different faults.

Table 7-5 Fault Action and Response

FAULT	CONDITION	CONFIGURATION	REPORT	H-BRIDGE	LOGIC	RECOVERY
VM undervoltage (NPOR)	V_VM < V_UVLO	—	—	Hi-Z	Disabled	Automatic: V_VM > V_UVLO
AVDD undervoltage (NPOR)	V_AVDD < V_{AVDD_UV}	—	—	Hi-Z	Disabled	Automatic: V_AVDD > V_{AVDD_UV}
Buck undervoltage (BUCK_UV)	V_{FB_BK} < V_{BK_UV}	—	—	Hi-Z	Disabled	Automatic: V_{FB_BK} > V_{BK_UV}
Charge pump undervoltage (VCP_UV)	V_CP < V_CPUV	—	nFAULT and GATE_DRIVER_FAULT_STATUS register	Hi-Z	Active	Automatic: V_VCP > V_CPUV
OverVoltage Protection (OVP)	V_VM > V_OVP	OVP_EN = 0b	None	Active	Active	No action (OVP Disabled)
OverVoltage Protection (OVP)	V_VM > V_OVP	OVP_EN = 1b	nFAULT and GATE_DRIVER_FAULT_STATUS register	Hi-Z	Active	Automatic: V_VM < V_OVP
Overcurrent Protection (OCP)	I_PHASE > I_OCP	OCP_MODE = 00b	nFAULT and GATE_DRIVER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
		OCP_MODE = 01b	nFAULT and GATE_DRIVER_FAULT_STATUS register	Hi-Z	Active	Retry: t_RETRY
		OCP_MODE = 10b	nFAULT and GATE_DRIVER_FAULT_STATUS register	Active	Active	No action
		OCP_MODE = 11b	None	Active	Active	No action
Buck Overcurrent Protection (BUCK_OCP)	I_BK > I_{BK_OCP}	—	—	Hi-Z	Disabled	Retry: t_RETRY
Motor Lock (MTR_LCK )	Motor lock: Abnormal Speed; No Motor Lock; Abnormal BEMF	MTR_LCK_MODE = 0000b	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
		MTR_LCK_MODE = 0001b	nFAULT and CONTROLLER_FAULT_STATUS register	Recirculation	Active	Latched: CLR_FLT
		MTR_LCK_MODE = 0010b	nFAULT and CONTROLLER_FAULT_STATUS register	High side brake	Active	Latched: CLR_FLT
		MTR_LCK_MODE = 0011b	nFAULT and CONTROLLER_FAULT_STATUS register	Low side brake	Active	Latched: CLR_FLT
		MTR_LCK_MODE = 0100b	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Retry: t_{LCK_RETRY}
		MTR_LCK_MODE = 0101b	nFAULT and CONTROLLER_FAULT_STATUS register	Recirculation	Active	Retry: t_{LCK_RETRY}
		MTR_LCK_MODE = 0110b	nFAULT and CONTROLLER_FAULT_STATUS register	High side brake	Active	Retry: t_{LCK_RETRY}
		MTR_LCK_MODE = 0111b	nFAULT and CONTROLLER_FAULT_STATUS register	Low side brake	Active	Retry: t_{LCK_RETRY}
		MTR_LCK_MODE = 1000b	nFAULT and CONTROLLER_FAULT_STATUS register	Active	Active	No action
		MTR_LCK_MODE = 1xx1b	None	Active	Active	No action
Hardware Lock-Detection Current Limit (HW_LOCK_ILIMIT)	V_SOX > HW_LOCK_ILIMIT	HW_LOCK_ILIMIT_MODE = 0000b	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
		HW_LOCK_ILIMIT_MODE = 0001b	nFAULT and CONTROLLER_FAULT_STATUS register	Recirculation	Active	Latched: CLR_FLT
		HW_LOCK_ILIMIT_MODE = 0010b	nFAULT and CONTROLLER_FAULT_STATUS register	High-side brake	Active	Latched: CLR_FLT
		HW_LOCK_ILIMIT_MODE = 0011b	nFAULT and CONTROLLER_FAULT_STATUS register	Low-side brake	Active	Latched: CLR_FLT
		HW_LOCK_ILIMIT_MODE = 0100b	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Retry: t_{LCK_RETRY}
		HW_LOCK_ILIMIT_MODE = 0101b	nFAULT and CONTROLLER_FAULT_STATUS register	Recirculation	Active	Retry: t_{LCK_RETRY}
		HW_LOCK_ILIMIT_MODE = 0110b	nFAULT and CONTROLLER_FAULT_STATUS register	High-side brake	Active	Retry: t_{LCK_RETRY}
		HW_LOCK_ILIMIT_MODE = 0111b	nFAULT and CONTROLLER_FAULT_STATUS register	Low-side brake	Active	Retry: t_{LCK_RETRY}
		HW_LOCK_ILIMIT_MODE= 1000b	nFAULT and CONTROLLER_FAULT_STATUS register	Active	Active	No action
		HW_LOCK_ILIMIT_MODE = 1xx1b	None	Active	Active	No action
Software Lock-Detection Current Limit (LOCK_ILIMIT)	V_SOX > LOCK_ILIMIT	LOCK_ILIMIT_MODE = 0000b	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
		LOCK_ILIMIT_MODE = 0001b	nFAULT and CONTROLLER_FAULT_STATUS register	Recirculation	Active	Latched: CLR_FLT
		LOCK_ILIMIT_MODE = 0010b	nFAULT and CONTROLLER_FAULT_STATUS register	High-side brake	Active	Latched: CLR_FLT
		LOCK_ILIMIT_MODE = 0011b	nFAULT and CONTROLLER_FAULT_STATUS register	Low-side brake	Active	Latched: CLR_FLT
		LOCK_ILIMIT_MODE = 0100b	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Retry: t_{LCK_RETRY}
		LOCK_ILIMIT_MODE = 0101b	nFAULT and CONTROLLER_FAULT_STATUS register	Recirculation	Active	Retry: t_{LCK_RETRY}
		LOCK_ILIMIT_MODE = 0110b	nFAULT and CONTROLLER_FAULT_STATUS register	High-side brake	Active	Retry: t_{LCK_RETRY}
		LOCK_ILIMIT_MODE = 0111b	nFAULT and CONTROLLER_FAULT_STATUS register	Low-side brake	Active	Retry: t_{LCK_RETRY}
		LOCK_ILIMIT_MODE= 1000b	nFAULT and CONTROLLER_FAULT_STATUS register	Active	Active	No action
		LOCK_ILIMIT_MODE = 1xx1b	None	Active	Active	No action
IPD Timeout Fault (IPD_T1_FAULT and IPD_T2_FAULT)	IPD TIME > 500ms (approx), during IPD current ramp up or ramp down	IPD_TIMEOUT_FAULT_EN = 1	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
IP Frequency Fault (IPD_FREQ_FAULT)	IPD pulse before the current decay in previous IPD	IPD_TIMEOUT_FAULT_EN = 1	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
MPET IPD Fault (MPET_IPD_FAULT)	Same as IPD Timeout Fault.	MPET_CMD = 1 or MPET_R or MPET_L = 1	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
MPET Back-EMF Fault (MPET_BEMF_FAULT)	Motor Back EMF < STAT_DETECT_THR	MPET_CMD = 1 or MPET_KE = 1	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Latched: CLR_FLT
Thermal warning (OTW)	T_J > T_OTW	OTW_REP = 0b	None	Active	Active	No action
Thermal warning (OTW)	T_J > T_OTW	OTW_REP = 1b	nFAULT and CONTROLLER_FAULT_STATUS register	Active	Active	Automatic: T_J < T_OTW – T_{OTW_HYS} CLR_FLT
Thermal shutdown (TSD)	T_J > T_TSD	—	nFAULT and CONTROLLER_FAULT_STATUS register	Hi-Z	Active	Automatic: T_J < T_TSD – T_{TSD_HYS} CLR_FLT