Category

Part No. Max.
Freq.
VDD Flash SRAM PDMA ADC Timer Cell
#
Power
Topology
Fast
Charge
Interface Others Max.
I/O
Package
HT32F61052 60MHz 2.5V~5.5V 128KB 16KB 6CH 2Msps
12bit×12ch
BFTM×2, PWM×2
GPTM×1, MCTM×1
3~6 Buck, Boost,
Buck-Boost
PD3.2 USART×2, UART×2
SPI×2, I²C×2
CRC, DIV
LEDC,
BMS AFE
39 64LQFP

Part No. Max.
Freq.
VDD Flash SRAM PDMA ADC Timer Battery
Type
Power
Topology
MPPT
Eff.
Interface Others Max.
I/O
Package
HT32F61049 60MHz 2.5V~5.5V 64KB 8KB 6CH 1Msps
12bit×8
BFTM×2, SCTM×4
GPTM×1, MCTM×1
Lithium
Lead-acid
Buck, Boost,
Buck-Boost
99% USART×1
UART×1
SPI×1, I²C×1
CRC
DIV
40 48LQFP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
IAP ADC Timer Hardware
Protect
HVO ∆tPWM Interface I/O Package
HT45F4MA 15MHz 2.55V~
5.5V
2K×16 128×8 64×8 -- 12-bit
×8
10-bit PTM×1
16-bit STM×1
OVP×1
OCP×1
-- 33ns -- 16 16NSOP
20SSOP
HT45F4N 15MHz 2.55V~
5.5V
4K×16 192×8 64×8 -- 12-bit
×14
10-bit PTM×3
16-bit STM×1
OUVP×1
OCP×2
-- 33ns -- 26 28SSOP
HT45FH4N 12-bit
×13
2×LS 30V 21
BP45F4NB 15MHz 2.6V~
5.5V
4K×16 256×8 -- 12-bit
×11
10-bit CTM×2
16-bit PTM×1
OUVP×1
OCP×2
-- 33ns UART×1 26 24/28SSOP
28QFN
BP45FH4NB 2×LS 30V 21 28SSOP
HT45F5N 8MHz 2.55V~
5.5V
4K×16 256×8 64×8 -- 12-bit
×14
10-bit PTM×1
16-bit STM×1

OUVP×1
OCP×2

-- 8ns -- 26 28SSOP
HT45FH5N 2×LS 30V 28 46QFN

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
Data
EEPROM
IAP ADC Timer Cell
#
Power
Topology
ICRG Touch
Key
Other
Function
Interface I/O Package
HT45F2440 16MHz 1.8V~
5.5V
4K×16 256×8 128×8 12-bit
×6
10-bit PTM×1
16-bit CTM×1
16-bit STM×1
1 Linear 1A -- Boost
(5V/0.3A)
UART×1
I²C×1
17 32QFN
HT45F2140 16MHz 2.5V~
4.2V
4K×16 256×8 128×8 -- 12-bit
×5
10-bit STM×1
10-bit PTM×1
1 Linear 1A -- -- -- 11 16NSOP
BS45F2141 16MHz 1.8V~
5.5V
4K×16 512×8 512×8 -- 12-bit
×3
10-bit CTM×1
10-bit PTM×1
1 Linear 1A 3 -- UART×1
I²C×1
10 16NSOP

Part No. Max.
Freq.
VDD Program
Memory
Data
Memory
ORPP ADC Timer Cell
#
Power
Topology
ICRG Touch
Key
Interface I/O Package
HT45R2140 16MHz 2.5V~
4.2V
4K×16 256×8 12-bit
×5
10-bit STM×1
16-bit PTM×1
1 Linear 1A -- -- 11 16NSOP
BS45R2141 16MHz 2.0V~
5.5V
4K×16 384×8 12-bit
×3
10-bit CTM×3
10-bit PTM×1
1 Linear 1A 3 I²C×1 10 16NSOP