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ZHCSE35 August 2015 DRV8305

PRODUCTION DATA.

封裝選項

機械數據 (封裝 | 引腳)

PHP|48
- MPQF051B

散熱焊盤機械數據 (封裝 | 引腳)

PHP|48
- PPTD394

訂購信息

zhcse35_oa

5 Pin Configuration and Functions

PHP Package

48-Pin HTQFP

Top View

Pin Functions

PIN		I/O	DESCRIPTION
NO.	NAME	I/O	DESCRIPTION
1	EN_GATE	I	Enable gate	Enables the gate driver and current shunt amplifiers; internal pulldown
2	INHA	I	Bridge PWM input	PWM input signal for bridge A high-side
3	INLA	I	Bridge PWM input	PWM input signal for bridge A low-side
4	INHB	I	Bridge PWM input	PWM input signal for bridge B high-side
5	INLB	I	Bridge PWM input	PWM input signal for bridge B low-side
6	INHC	I	Bridge PWM input	PWM input signal for bridge C high-side
7	INLC	I	Bridge PWM input	PWM input signal for bridge C low-side
8	nFAULT	OD	Fault indicator	When low indicates a fault has occurred; open drain; external pullup to MCU power supply needed (1 kΩ to 10 kΩ)
9	nSCS	I	SPI chip select	Select/enable for SPI; active low
10	SDI	I	SPI input	SPI input signal
11	SDO	O	SPI output	SPI output signal; referred to VREG
12	SCLK	I	SPI clock	SPI clock signal
13	PWRGD	OD	Power Good	VREG and MCU watchdog fault indication; open drain; external pullup to MCU power supply needed (1 kΩ to 10 kΩ)
14	GND	P	Device ground	Must be connected to ground
45
PPAD
15	AVDD	P	Analog regulator	5.0 V analog internal supply regulator; bypass to GND with a 6.3-V, 1-µF ceramic capacitor
16	SO1	O	Current amplifier output	Output of current sense amplifier 1
17	SO2	O	Current amplifier output	Output of current sense amplifier 2
18	SO3	O	Current amplifier output	Output of current sense amplifier 3
19	SN3	I	Current amplifier negative input	Negative input of current sense amplifier 3
20	SP3	I	Current amplifier positive input	Positive input of current sense amplifier 3
21	SN2	I	Current amplifier negative input	Negative input of current sense amplifier 2
22	SP2	I	Current amplifier positive input	Positive input of current sense amplifier 2
23	SN1	I	Current amplifier negative input	Negative input of current sense amplifier 1
24	SP1	I	Current amplifier positive input	Positive input of current sense amplifier 1
25	GLC	O	Low-side gate driver	Low-side gate driver output for half-bridge C
26	SLC	I	Low-side source connection	Low-side source connection for half-bridge C
27	SHC	I	High-side source connection	High-side source connection for half-bridge C
28	GHC	O	High-side gate driver	High-side gate driver output for half-bridge C
29	GHB	O	High-side gate driver	High-side gate driver output for half-bridge B
30	SHB	I	High-side source connection	High-side source connection for half-bridge B
31	SLB	I	Low-side source connection	Low-side source connection for half-bridge B
32	GLB	O	Low-side gate driver	Low-side gate driver output for half-bridge B
33	GLA	O	Low-side gate driver	Low-side gate driver output for half-bridge A
34	SLA	I	Low-side source connection	Low-side source connection for half-bridge A
35	SHA	I	High-side source connection	High-side source connection for half-bridge A
36	GHA	O	High-side gate driver	High-side gate driver output for half-bridge A
37	VCP_LSD	P	Low-side gate driver regulator	Internal voltage regulator for low-side gate driver; connect 1-µF capacitor to GND
38	VCPH	P	High-side gate driver regulator	Internal voltage regulator for high-side gate driver; connect 2.2-µF capacitor to PVDD
39	CP2H	P	Charge pump flying capacitor	Flying capacitor for charge pump; connect 0.047-µF capacitor between CP2H and CP2L
40	CP2L	P	Charge pump flying capacitor

External Components

COMPONENT	PIN 1	PIN 2	RECOMMENDED
C_PVDD	PVDD	GND	4.7-µF ceramic capacitor rated for 50 V
C_AVDD	AVDD	GND	1.0-µF ceramic capacitor rated for 6.3 V
C_DVDD	DVDD	GND	1.0-µF ceramic capacitor rated for 6.3 V
C_VCPH	VCPH	PVDD	2.2-µF ceramic capacitor rated for 16 V
C_{VCP_LSD}	VCP_LSD	GND	1.0-µF ceramic capacitor rated for 16 V
C_CP1	CP1H	CP1L	0.047-µF ceramic capacitor rated for 16 V
C_CP2	CP2H	CP2L	0.047-µF ceramic capacitor rated for 16 V
C_VREG	VREG	GND	1.0-µF ceramic capacitor rated for 6.3 V
R_VDRAIN	VDRAIN	PVDD	100-Ω series resistor
R_nFAULT	nFAULT	VCC ⁽¹⁾	1 to 10 kΩ pulled up the MCU power supply

(1) VCC is not a pin on the DRV8305, but a VCC supply voltage pullup is required for open-drain output nFAULT