RT5035A/B
Max Load of Every Channel
Purpose
VDDM and VMOTOR
VI/O
RT5035A/B
Current Limit
3.5A
Max Load
1200mA
900mA
2A
Condition (VIN à VOUT
3V à 5V
)
CH1
CH2
CH3
CH4
CH5
CH6
SW4
CH7
CH8
CH9
CH10
3A
3V à 3.3V
VCORE
3A
3V à 1.1V
VMEM
1.5A
700mA
500mA
300mA
500mA
30mA
3V à 1.8V
CMOS_D
CMOS_A
Load SW
1.5A
3V à 2.2V
450mA
900mA
0.8A
3V à 2.7V
1.8V à 1.8V
6 WLED
WLED
Generic LDO
Keep-Alive LDO
VMEM
300mA
100mA
1.5A
200mA
50mA
VIN VOUT > 150mV
VIN VOUT > 300mV
3V à 1.35V
700mA
Protection Act
Protection
Type
Threshold
(Typical Value)
Delay
Time
Protection Method
Reset Method
Turn off whole IC,
100ms except CH9 and CH1 Restart if VDDM < 5.8V
in PFM (only for 2AA)
Over Voltage
VDDM
VDDM > 6V
Protection
Restart if
No delay Disable all channels VBAT > 2.6V (RT5035A),
VBAT > 1.7V (RT5035B)
VBAT < 2.4V (RT5035A)
VBAT < 1.5V (RT5035B)
BAT
UVLO
Current Limit
(in PFM )
Reset after min-off-time
NMOS current > 0.8A No delay
Turn off NMOS
finish
Turn off whole IC,
100ms except CH9 and CH1
in PFM (only for 2AA)
VOUT1 OVP
(in PWM)
VDDM power reset or
EN = low
VOUT1 > 5.8V
NMOS current > 3.5A
VOUT1< 2.25V
Turn off whole IC,
100ms except CH9 and CH1
in PFM (only for 2AA)
OCP
(in PWM)
VDDM power reset or
EN = low
CH1
Turn off whole IC,
No delay except CH9 and CH1
in PFM (only for 2AA)
VOUT1 UVP
(in PWM)
VDDM power reset or
EN = low
Over-Load
protection
(in PWM)
Turn off whole IC,
VOUT1 < target 0.6V 100ms except CH9 and CH1
VDDM power reset or
EN = low
in PFM (only for 2AA)
Copyright © 2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5035A/B-03 February 2020
www.richtek.com
41
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
